1,Accurate Positioning: Clamped on both the inside and outside, this right angle positioning clamps can be clamped on the inside or outside of the workpiece, depending on your actual use. 2,Aluminium Alloy Body: Our right angle positioning clamps are made of aluminium alloy with red anodized appearance for corrosion resistance, durability and light weight for long term use. 3,Distinct Scales: This right angle positioning clamps have clear inch and millimeter scales for length measurement, plus a perfect 90 degree angle for precise and easy positioning. 4,Application Method: Place the right angle positioning clamps on the corners of two pieces of material to be leveled, fix the clamps, and then use the ruler in the usual way to complete your daily work. 5,Applicable Scenarios: Our right angle positioning clips are suitable for assembly and DIY, clamping boxes, drawers, cabinets, frames, furniture cabinets, etc.