1、DURABLE ALUMINUM ALLOY: Made of aluminum alloy, the surface is anodized; Bench dogs can withstand higher strength working conditions and are more durable than plastic or nylon bench dogs 2、NON INTERFERENCE GRINDING: The woodworking planing stop has a low outline design, so there is no interference when planing or sanding thin materials; There is no need to worry about damaging the aircraft blades because they are always lower than you want them to be 3、NON SLIP OR SCRATCHES：Woodworking bench dogs clamp has two flat sides and a non slip pad at the top, which is very easy to use; Non slip pads also prevent scratches on the workpiece 4、WOODWORKING ASSISTANT: Woodworking table hole dowel stop block can ensure accurate hole alignment for woodworking projects 5、VERSATILE SIZE: Aluminum alloy dowel stop block enhance the efficiency of woodworking tasks with this handy tool, 19mm is the perfect size to fit most woodworking tables and workbenches