Tall Stair Gauges Framing Jig with Holder Hook Knobs Stringer Layout Tool Carpentry Squares Circular Saw Rafter Clamps.Feature: 1. WIDE COMPATIBILITY: This tall stair gauges are suitable for various woodworking projects, can be used in conjunction with square tools such as carpenter square, frame square and rafter square, with a thickness of up to 0.315in(8mm), has brought great convenience to carpenters 2. LIGHTWEIGHT AND LONG LASTING MATERIAL: The framing tall stair gauges is made of CNC accur