Features Accurate Work: Designed to have 120mm measuring range and standard right angle, the clamp enables high accuracy in working. Stable Fixing: The positioning square can be clamped on both inside and outside corner of your work piece for firm fixing. Good Material: Having been through fine workmanship, the aluminium alloy material with sturdy structure has good durability. Extensive Use: Suitable for the assembly and DIY of boxes, drawers, cabinets, frames, furnitures and so on, very practical. 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