Use this versatile Marking Square Set from iGaging® for precise marking and measuring tasks. Each of the 6" and 12" T-Squares has a sliding base that can be attached to the long or short side of the rule to best suit your needs. Marking holes in 1/32" increments make precise and repeatable layout work easier than ever before. Protractor holes for most common angles are also included.Features: Sliding base may be attached to the long or short edge of a square Marking holes at every 1/16" and 1/32" position Protractor markings with most common angles Specifications: 3"-wide ruler with 5"-long sliding base Black anodized aluminum construction with white laser engraving 1/16" and 1/32" imperial markings What’s Included: (1) iGaging® 6" T-Marking Square (1) iGaging® 12" T-Marking Square (1) Molded Case