【Superior Quality】 Made of aluminum alloy. Machined from a solid block of aluminum. Surface treatment: Blue anodized surface, corrosion resistant. 【90 Degree Positioning Square】 The 3D woodworking ruler features clear inch and millimeter markings for more precise length measurement and positioning. Suitable for welding wood, metal, right angles, 90 degrees, etc. 【Easy to Use】 This L-shaped connector is easy to use. This unique woodworking tool can be stretched over the inside and outside corners of the workpiece. The 90-degree right-angle clamps attach to your bearing with F-type (not included) or C-type (not included) terminals. 【Widely Used】 Designed to be attached to cartons, picture frames, shelves, outside corners, etc., for easy alignment during gluing. 【Satisfaction】 NICAVKIT aims to provide all customers with quality products and customer service. If you have any problems, please contact us and our after-sales team will resolve them as quickly as possible. Features: 1)