Engineering Slide Chart, Engineering Screw Chart, Screw Data Selector, Screw Selector, Screw Chart For Engineers, Drafters & Machinists

Chgimposs 12" Adjustable Sliding Combination Square Ruler & Protractor Level Measure Measuring Set, Inch/Metric

Lawrence Engineering Slide Rule Vintage Wooden Made In Usa

Duct Calculation Slide Rule

Intoy 12 Inch Triangular Engineer Scale Ruler, Anodized Solid Aluminum Core With Laser Etched Scales, Imperial Scale - 1:10, 1:20, 1:30, 1:40, 1:50, 1

Macarrie 10 Pcs Architectural Scale Triangular Ruler 12" Architect Engineers Scale Ruler Set Aluminum Metal Ruler With Imperial Measurements For

Triangular Engineering Scale Aluminum Ruler For Architects, Engineers And Students (12 Inches)

Groz 6-Inch Pocket Ruler | Stainless Steel | Imperial & Metric Graduations (01337)

Mitutoyo 182-203, Steel Rule, 6" (5R), (1/32, 1/64, 1/10, 1/100"), 1/64" Thick X 1/2" Wide, Satin Chrome Finish Tempered Stainless Steel

Mitutoyo 182-125, Steel Rule, 12"/300mm ( 1/32, 1/64", 1Mm, 0.5Mm), 3/64" Thick X 1" Wide, Satin Chrome Finish Tempered Stainless Steel

STAEDTLER Engineer Aluminum Triangular Scale, 12in Metal Ruler With Color-Coded Grooves, Weather-Resistant, 6 Scales (10-60 Parts Per Inch)

Mitutoyo 182-111, Steel Rule, 150Mm, (1Mm, 1/2Mm), 1.2mm Thick X 19mm Wide, Satin Chrome Finish Tempered Stainless Steel

12-Inch Architectural And Engineering Scale Ruler Set (Imperial) | Laser-Etched Aluminum Triangular Drafting Tool | For Architect And Civil Engineer

Mitutoyo 182-101, Steel Rule, 6" (4R), (1/8, 1/16, 1/32, 1/64"), 3/64" Thick X 3/4" Wide, Satin Chrome Finish Tempered Stainless Steel, Clear

STAEDTLER 12in Engineer Scale Ruler - Triangular Engineering Ruler With 6 Scales(10-60 Parts/Inch), Color-Coded Grooves, Plastic

Shinwa 36 Inch Rigid Stainless Steel Machinist Ruler 4R Graduations (1/64, 1/32, 1/16, 1/8) Satin Chrome Finish

4Pcs 12 Inch Metal Ruler, Stainless Steel Rulers With Cork Backing, Imperial And Metric, Non-Slip Prevent Ink Leakage. For School, Office, Engineering

PEC Tools 6 Inch Metal Ruler, 1/50" Thick X 1/2" Wide, High Contrast Machinist's Ruler With 1/32", 1/64", 1/50", 1/100" Graduations, Stainless Steel,

Rena Chris Architectural Scale Ruler: 12" Imperial Aluminum Alloy Metal Architecture Measuring Tools, Engineering Drafting Construction Drawing

Mint Pickett N902es Slide Rule Aluminum Engineering W/Leather Case

Pacific Arc Architectural Scale Ruler, 6" Scale Ruler For Architectural Designs, Engineering, Or Drafting

Youoklight Stainless Steel Ruler 2-Pack, 12 Inch & 30 cm Metal Ruler Dual Scale, Flexible Yet Durable Metric And Imperial For Drawing, Engineering,

LAWRENCE ENGINEERING Service Slide Ruler Model 10B Made In Peru, Indiana United States Original 1960S In It's Box

Midori Clear Acrylic Slide Ruler 0.1mm - 120mm Thickness Calliper Precise Measurement

STAEDTLER Professional Triangular Scale Ruler - 12in Metal Architectural Scale With High-Contrast Etched Markings, 6 Imperial Scales For Drafting &

Vintage Soviet Logarithmic Engineer Student Slide Rule Ruler