Stanley 46-123 Contractor Grade Combination Square 12"Highlights: Durably etched, hard chrome plated blades are rust resistant and made to last 12" square has precision machined working surfaces for improved accuracy Built in scriber comes in handy for surface marking Easy to read vial High visibility yellow, die cast handle with brass hardware for durability Contractor grade combination square with a square for English measurements, a level vial, and a scratch awl Precision machined working surfaces for