Feature:1. FOR WOODWORKING: This bench dog is mainly used in woodworking for fixing and limiting wooden boards, compact in size, convenient and durable.2. METAL MATERIAL: Made of stainless steel and aluminum alloy, rustproof and corrosion resistant, not easy to deform or wear, and have a long service life.3. EASY OPERATION: Press the workbench brake blocks into place for a solid and non slip bench surface, with good stability, safe and reliable operation.4. COMPACT SIZE: These workbench limit blocks are 20mm in diameter, easy to operate and take up little space, and has strong practicability.5. 4PCS IN 1 SET: Including 4pcs workbench brake stops, with glossy finish, safe and durable, sufficient quantity for easy use and replacement.Specification:Item Type: Bench DogsMaterial: Aluminum Alloy, Stainless SteelSpecification: Diameter Approx. 20mm / 0.8inUses: Suitable for fixing and limiting wooden boards on woodworking..Package List:4 x Bench Dogs