Function: For woodworking, it is applicable to standard T-shaped rails. This may help limit the length of the CHUT Type: Stops for 30 mm T-rails High quality material: made of high-quality aluminum alloy, with higher strength and longer durability Simple operation: the handle can be rotated 90 degrees for easy use, and the plug can be locked Scope of application: It is used for positioning and fixing, and it is applicable to standard T-groove rails and woodworking T-groove rails