FUNCTION: Suitable for woodworking, suitable for standard T-tracks. It can help limit the length of the chute and lock the plug TYPE: Perfectly matched to 30 mm and 45 mm beveled tracks. You can use it to build your own miter fence HIGH-QUALITY MATERIALS: Made of high-quality aluminum alloy material, high strength and durability EASY TO OPERATE: Ergonomically designed, the handle can be rotated 90 degrees, easy to operate, lockable stop WIDELY USED: For positioning and fixing, suitable for standard T-track with T-slot, woodworking T-track.