Ctrlzs 1 Pack 90 Degree Positioning Squares Right Angle Clamping 5.5X5.5inch Woodworking Carpenter L-Type Corner Clamping Tool

CTRLZS

Easy to handle and 't damage fragile cutting edges. Designed to be clamped to boxes, picture frames, etc. to assist with squaring during glue up. Machined from of Aluminium alloy. to . Anodized ., Manufacturer: CTRLZS