Woodpeckers Precision Woodworking Tools PTR46SET Precision Triangle Set, 4-Inch/6-Inch Set includes a 4-inch and 6-inch triangle Each triangle features engraved inch scale markings on all three legs Right angle legs are standard scales, 1/16-inch scale graduations Machined from 1/4-inch thick aluminum tooling plate buffed to a satin finish and anodized for durability