Features GOOD MATERIAL Having undergone fine workmanship, aluminum alloy material with sturdy structure has good durability. Intensive use: suitable for assembly and DIY of boxes, drawers, cabinets, frames, furniture, etc., very practical. PRECISE WORK: Designed to have a measuring range of 120mm and standard right angle, the clamp allows for high working accuracy. STABLE FIXING The positioning square can be tightened to both the inner and outer corner of your room for firm fixing. EASY CARRYING - Comes with light weight and compact size, can be easily carried for indoor and outdoor use. Specification: Element Type: Positioning Angle Material: Aluminum Alloy Range: approx. 120 mm/4.72 inches Product thickness: approx. 16mm/0.63" Inner diameter: approx. 5 mm/0.2" Outer diameter: approx. 10 mm/0.39" Package list: 2 x positioning bracket Small note: Match the appropriate model and size before use. Package List 2 x Positioning Square