Specification Brand : GLOGLOW BulletPoint1 : [HIGH- DESIGN] Achieve stable and accurate clamping with the hexagonal shape that fits perfectly on edges. BulletPoint2 : [ THUMB SCREW] Anti-slip black stainless steel thumb screw ensures secure tightening onto any rafter, even with gloves. BulletPoint3 : [MULTI-PURPOSE TOOL] Ideal for designing stair and beam structures, providing layout and sturdy construction. BulletPoint4 : [PREMIUM MATERIAL] Made of high-strength aluminum alloy with wear-resistant and -resistant anodized surface. BulletPoint5 : [COMPACT AND PORTABLE] Compact size for easy storage and transport, offering reliable strength and durability. Color : Black ItemName : Stair Gauge Knob Aluminium Alloy Framing Stops for Stair Stringer Layout Tool, 1 Pack, for Designing Stair and Beam Structures (Black) ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : carpentry-squares Manufacturer : GLOGLOW ModelName : GLOGLOWgsdf87exup-11 ModelNumber : GLOGLOWgsdf87exup-11 PartNumber : GLOGLOWgsdf87exup-11 ProductDescription : 1. [HIGH- DESIGN] Achieve stable and accurate clamping with the hexagonal shape that fits perfectly on edges. 2. [ THUMB SCREW] Anti-slip black stainless steel thumb screw ensures secure tightening onto any rafter, even with gloves. 3. [MULTI-PURPOSE TOOL] Ideal for designing stair and beam structures, providing layout and sturdy construction. 4. [PREMIUM MATERIAL] Made of high-strength aluminum alloy with wear-resistant and -resistant anodized surface. 5. [COMPACT AND PORTABLE] Compact size for easy storage and transport, offering reliable strength and durability.