Features： 1、Aluminum Body: Our right angle positioning clamps are made of aluminum alloy with red anodized appearance, corrosion resistant, durable and lightweight for long time service. 2、Clear Scales: Our right angle positioning clamps have clear inch and millimeter scales for length measurement, plus a 90 degree angle for precise and easy positioning. 3、Clamped on Inside and Outside: This right angle positioning clamp can be clamped on the inside or outside of the workpiece, depending on your actual use. 4、Method of Application: Place the right angle positioning clamp on the corner of the two pieces of material to be flattened, fix the clamp, and then use the ruler in the usual way. 5、Applicable Scenarios: Our right angle positioning clamp is used for assembly and DIY, clamping boxes, drawers, cabinets, frames, furniture cabinets, etc. Specification： Item Type: Right Angle Positioning Clamp Material: Aluminum Alloy Measuring Range: 120mm (4-1/2in) Thickness: Approx. 16mm / 0.63in Inner Bore Diameter: Approx. 8mm / 0.31in Outer Aperture: Approx. 12mm / 0.47in Package List： 2 x Right Angle Positioning Clamp