High Quality Material: The 30 type rail stoppers are made of high quality alloy, which is durable, anti-rust, high strength and long service life. Easy Operation: Insert the wood chute type 30 into the T-shaped rail and rotate the handle to fix it and limit the length of the chute. Rotating Handle: When using the product, rotate the handle to fix, which is very convenient to use, and the L shape shows the beauty of the product. Ergonomic Design: The ergonomically designed woodworking chute is very easy to hold and is a good helper for woodworking. Strong Applicability: The woodworker hole connectors are perfect for woodworkers and fit standard T-tracks. This secures the positioning of the wood.