Blue Crown Tools SQ-2277 Precision 2pc Carpentry Square Set - Metric 203150 Outside Diameter: 1/2"

Outside Diameter:  1/2"

Place the Twister ezeOUT arbor system in the drill chuck and attach your holesaw to the end

This triangle is just the tool for squaring from the inside of boxes and drawers during assembly

Blade Length: 100" (Fits General 490 as well as other saws)

Bits are made according to strict tolerances from an exclusive carbide grade and polished to a mirror finish using Amana‰'s unique process

Blue Crown Tools SQ-2277 Precision 2pc Carpentry Square Set - Metric 203150 Outside Diameter: 1/2"Both squares have been carefully laser engraved with metric markings. 1 Aluminum Alloy 3D Multi Angle Measuring Ruler, High Precision 45 90 Degree Woodworking Square 1 T Square with multi hole scriber