1Multi Purpose: Plastic right angle positioner can be used to make perfect quadrate boxes, drawers, cabinets, frames, furniture cabinets, etc. 2Strong 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. 3Easy 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. 4Excellent Material: Right angle positioner is made of high impact plastic, ensuring the best durability and lightweight usability. 5Wide Application: Suitable for making picture frames, building cabinets, repairing drawers, building boxes, welding quadrate parts, etc.