Specification Brand : SALALIS BulletPoint1 : Practical Function: This stair gauge provides accurate frame clamps and precise layout, and the solid structure helps ensure strength and durability. BulletPoint2 : Main Application: This framing square is mainly used in stair and beam structure design, and the compact size is convenient for storage and transportation. BulletPoint3 : Thumb Screw: Our tall stair gauges are equipped with black stainless steel thumb screws, which are non-slip and sturdy, easy to grip and tighten on any rafter even with gloves. BulletPoint4 : Hexagonal Design: The hexagonal shape of this stair gauge is more suitable for edges clamping, which can be completely perpendicular to the material, providing a stable and accurate clamping effect for the workpiece. BulletPoint5 : Sturdy Material: Our tall stair gauges are made of high-strength aluminum alloy material, anodized, wear-resistant, corrosions-resistant and sturdy. Color : Blue ItemName : Tall Stair Gauge, Framing Square Stops Aluminium Alloy Framing Square Stops Stair Gauge Knobs Stair Stringer Layout Tool for Woodworking Square Stair Auxiliary Clip (Blue) ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : carpentry-squares Manufacturer : SALALIS MeasurementAccuracy : 0.1mm ModelNumber : SALALIS2p73ydkagi-12 NumberOfItems : 1 PartNumber : SALALIS2p73ydkagi-12 ProductDescription : Spec: Item Type: Stair Gauge Knob Material: Aluminium Alloy Purpose: Rafter Gauge Clamp