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![Calculator, construction master 5, pro desk model Calculator, construction master 5, pro desk model](https://sourceware.spillersusa.com/lowres/detail/CAL44080.jpg)
Calculator, construction master 5, pro desk model
Item No. CAL44080
The Construction Master Pro Trig - Desktop provides construction professionals with complete trig functions to help them quickly and easily solve complex construction-math problems. It saves time, reduces costs and prevents re-work. You can effortlessly work in and convert between feet-inch-fractions and metric units. Instantly calculate complex construction challenges for stair layouts, roofs, framing and much more. Full trig functions with sine, cosine, tangent, arcsine, arccosine and arctangent. Construction Calculations Work in and convert between any building dimension, including Metric Trig Function Find Weight per Volume Built-in Right-Angle solutions Complete Stair Layouts Roof, Rafter and Framing solutions Circular Arcs, Circumference, Segments and More Stairs - Set Riser Height and solve for Stairwell Opening Studs - Find number On-center for an entered Length Compound Miter Cuts Arched Rake-Walls Equal sided Polygons The Construction Master Pro Trig - Desktop is perfect for completing layouts, bid and estimates. No office should be without it. It will save you time and money. For Contractors, Architects, Builders, Engineers, Project Managers, Estimators, Draftspersons
![Calculator, ultra measure master Calculator, ultra measure master](https://sourceware.spillersusa.com/lowres/detail/CAL8025.jpg)
Calculator, ultra measure master
Item No. CAL8025
The Ultra Measure Master is a complete and easy-to-use U.S. Standard to Metric conversion calculator for engineers, architects, construction pros, scientists and students. Convert more than 60 U.S and Metric (si) units - over 400 conversion combinations with a touch of a few buttons. No need for complex scientific calculators or memorizing conversion formulas.
![Nails, 1/4" x 6", mag hub, 362/bx Nails, 1/4" x 6", mag hub, 362/bx](https://sourceware.spillersusa.com/lowres/detail/CHS23MAGHUB6.jpg)
Nails, 1/4" x 6", mag hub, 362/bx
Item No. CHS23MAGHUB6
The MAG HUB is magnetized for easy detection and galivanized coatingto resist corrosion. It has a large center point and looks like a standard survey marker. The MAG HUB is less than half the price of a stake and is easy to carry. Not made to be driven in concrete or asphalt.
![Nails, 1/4" x 8" mag hub, 272/bx Nails, 1/4" x 8" mag hub, 272/bx](https://sourceware.spillersusa.com/lowres/detail/CHS23MAGHUB8.jpg)
Nails, 1/4" x 8" mag hub, 272/bx
Item No. CHS23MAGHUB8
The MAG HUB is magnetized for easy detection and galivanized coatingto resist corrosion. It has a large center point and looks like a standard survey marker. The MAG HUB is less than half the price of a stake and is easy to carry. Not made to be driven in concrete or asphalt.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 2X Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 2X](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-Y2X.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 2X
Item No. ERBS252C-Y2X
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 3X Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 3X](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-Y3X.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 3X
Item No. ERBS252C-Y3X
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 4X Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 4X](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-Y4X.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 4X
Item No. ERBS252C-Y4X
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 5X Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 5X](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-Y5X.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size 5X
Item No. ERBS252C-Y5X
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Large Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Large](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-YL.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Large
Item No. ERBS252C-YL
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Medium Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Medium](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-YM.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Medium
Item No. ERBS252C-YM
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Small Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Small](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-YS.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size Small
Item No. ERBS252C-YS
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size XLarge Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size XLarge](https://sourceware.spillersusa.com/lowres/detail/ERBS252C-YXL.jpg)
Surveyors vest, solid front/mesh back, 15 pockets, Class 2, yellow, size XLarge
Item No. ERBS252C-YXL
ANSI 107 Class 2 complaint Surveyor's style vest. Solid front, mesh back. 15 pockets 2 outer waist expandable, 2 ext waist, 2 int waist, large back with zip access, 2 ext chest w/ 4 pen compartments. Mic tabs both sides. Grommets.
![Deluxe Ergonomic AirGrid Back Drafting Chair Deluxe Ergonomic AirGrid Back Drafting Chair](https://sourceware.spillersusa.com/lowres/detail/OSP13-37N30D.jpg)
Deluxe Ergonomic AirGrid Back Drafting Chair
Item No. OSP13-37N30D
PRODUCT HIGHLIGHTS Thick Padded Mesh Seat and AirGrid Back with Built-in Lumbar Support One Touch Pneumatic Seat Height Adjustment Adjustable Metal Foot Ring Nylon Base with Dual Wheel Carpet Casters
![Black Ergonomics Chair Black Ergonomics Chair](https://sourceware.spillersusa.com/lowres/detail/OSP43808-231.jpg)
Black Ergonomics Chair
Item No. OSP43808-231
PRODUCT HIGHLIGHTS Contoured Molded Seat and Back with Built in Lumbar Support One Touch Pneumatic Seat Height Adjustment Multi Function Control with Adjustable Tilt Tension and Forward Tilt Ratchet Back Height Adjustment Height Adjustable Arms with PU Pads Heavy Duty Nylon Base with Dual Wheel Carpet Casters
![Chair, Deluxe R2 space grid back, black mesh seat Chair, Deluxe R2 space grid back, black mesh seat](https://sourceware.spillersusa.com/lowres/detail/OSP529-3R2N1F2.jpg)
Chair, Deluxe R2 space grid back, black mesh seat
Item No. OSP529-3R2N1F2
PRODUCT HIGHLIGHTS Breathable R2 SpaceGrid Back with Adjustable Lumbar Support Thick Padded Black Mesh Seat Pneumatic Seat Height Adjustment 2-to-1 Synchro Tilt Control with Adjustable Tilt Tension 4-Way Adjustable Flip Arms Heavy Duty Nylon Base with Oversized Dual Wheel Carpet Casters This product has achieved GREENGUARD Certification