Features FEATURES: accessories for frame squares, knobs for measuring stair steps for circular saws, arrangement of stair stringer bars, use of a woodworking angle to mark repeated angles, use of a woodworking angle to guide the saw for angle cuts. Stable and reliable: the hexagonal level design of the high stair gauge is more suitable for edges than circles, and the higher body allows the ruler to be completely perpendicular to the material and tension the workpiece very stable and accurate. DURABLE ALUMINUM ALLOY High quality table gauge is made of excellent aluminum alloy, surface anodized, stable and durable. Fine craftsmanship: stair gauge uses advanced technology and excellent craftsmanship to create a smooth surface that is safe to use. Non-slip and portable: the stair gauge is equipped with black oxidized steel thumb screws, which are non-slip, durable and easy to grip and tighten to any raft frame, even when wearing gloves. Specification: Item Type: High Stair Knife Colour: blue. Material: aluminium alloy. Area of application: 90°. Application: suitable for the auxiliary clamp for square stairs in woodworking Package list: 1 x high stair gauge. Package List 1 x Tall Stair Gauge