Description: This diagonal guide rail is a useful tool for woodworking. With standard and exquisite workmanship, it is suitable for t-slot and t-track. If you are a woodworking enthusiast, this tool is something you must have! And it is very helpful for you. Features:-It is a professional woodworking tool for t-tracks and t-slots.-Each end of the diagonal guide rail has a stop ring, more practical.-Made of durable material, stable and reliable.-Equipped with spare seals, convenient to use.-Lightweight and compact design, portable and easy to carry. Notes: -T-track, t-slot, board and other accessories are not included.-There is no stop ring at each end of the 300mm type without a backing ring.-Please allow 1 - 2cm errors due to manual measurement.-Please wear protective equipment before using the tool.-This is not a toy, please keep it away from children.