Features Stable Fixing: The positioning square can be clamped on both inside and outside corner of your work piece for firm fixing, 90 degree angle can offer strong balance for convenient use. Woodworking Square: Designed to have 120mm measuring range and standard right angle, the clamp enables high accuracy in working. Extensive Use: 90 Degree Clamp is very practical. Suitable for the assembly and DIY of boxes, drawers, cabinets, frames, furnitures and so on, and keep a square when assembling cabinets, frames etc. Good Material: Having been through fine workmanship, Positioning Squares, Made of high quality aluminum alloy material, anti-rust, anti-corrosion, durable for long term service, Easy Carrying: Comes with a light weight and a compact size as well, can be conveniently carried for indoor and outdoor use. Specification: Item Type: Positioning Square Material: Aluminium Alloy Range: Approx. 120mm / 4.72in Product Thickness: Approx. 16mm / 0.63in Inner Diameter: Approx. 5mm / 0.2in Outer Diameter: Approx. 10mm / 0.39in Package List: 2 x Positioning Square Note: Match the appropriate model and size before use. Package List 2 x Positioning Square