1、Multi Purpose: Plastic right angle positioner can be used to make perfect quadrate boxes, drawers, cabinets, frames, furniture cabinets, etc. 2、Strong Practicability: L shaped squares can be used to fix the right angle with the aid of tools such as A clamps, and quickly make workpieces such as photo frames and right angle frames. 3、Easy to Use: 90 degree positioning squares will be your third hand when assembling cabinets, drawers, boxes or any items that require a 90 degree angle. 4、Excellent Material: Right angle positioner is made of high impact plastic, ensuring the best durability and lightweight usability. 5、Wide Application: Suitable for making picture frames, building cabinets, repairing drawers, building boxes, welding quadrate parts, etc. 4 x L Type Plastic Squares Item Type: L Type Plastic SquaresMaterial: Engineering Plastic3 Inch Product Size: Approx. 80 x 50mm / 3.1 x 2.0in4 Inch Product Size: Approx. 100 x 100mm / 3.9 x 3.9in6 Inch Product Size: Approx. 150 x 150mm / 5.9 x 5.9in