High Quality Material: Aluminum Alloy. Machined From A Solid Block Of Aluminum. Lasts For Years. Anodized Red Surface Treatment, Corrosion Resistant.Professional Design And Easy To Use: Designed To Attach To Boxes, Picture Frames, Shelf Cabinets And For Outside Corners, Etc., To Help With Square When Gluing. Place A Square In The Corner Of The Two Pieces You Need To Square And Secure With A Set Of Pliers. Available In 12Cm, And Comes In A Set Of Two.Wide Application: Set Of Right Angle Woodworking Pliers For Professional Use In Assembling And Diy Slamming Boxes, Drawers, Cabinets, Frames, Furniture , Etc. Perfect For Shelf Cabinets. Maintain A Perfect Square While Assembling Picture Frames, Cabinets, Or Just About Any Box Professional Woodworking Tools: Designed To Attach To Boxes, Picture Frames, Shelf Cabinets And For Outside Corners, Etc., To Help Square When Gluing. It Can Work With A Clamping Tool To Check And Position The Corner For Gluing And Gluing. It Can Be Used For Woodworking And Right Angle Welding.90 Degree Angle Ruler: 3D Woodworking Ruler With Clear Inch And Millimeter Scale To Measure Length For More Accurate Positioning.