Products

Excellent for sizing bolts, screws, nuts (USS, SAE, and Metric) and twist drills

Size bolt diameter by pushing bolt through sizing holes

Gauges hex nuts and washers (USS, SAE)

Gauges metric hex nuts and washers by holding under metric holes

Measure US and Metric thread pitch

Features

• Special notch gauges flat headed metal and wood screws
• Ruler marked with inches and millimeters for worldwide use

Tech Specs

• Resists water, alcohol, oil, and grease
• Reliable and Accurate
• Sturdy and Lightweight Plastic
• Fits in Shirt Pocket (8-5/8" x 3-1/4" or 217mm x 82mm)