Stanley 46-131 16-Inch Contractor Grade Combination Square Durably etched, hard-chrome-plated blades are rust resistant and made to last Stanley - Black & Decker 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 improved accuracy; deeply etched blades for long-term readability Hard chrome-plated blades coated for rust resistance; durable die-cast metal handle with brass hardware Includes easy-to-read level vial; built-in scriber for convenient surface marking Length: 16 inches; backed by lifetime limited warranty