General description Table Planing Stop Bench Dogs Clamp is designed for woodworking and DIY projects, providing effective positioning for your workbench. Made from durable aluminum alloy, it is suitable for woodworking tables with a hole diameter of 20mm. This product is a DIY kit that requires assembly. Technical specifications Material: Aluminum alloy Hole diameter: 20mm Measurement allowed error: +/- 1-3cm Package Contents 1 set of 20mm carpentry table positioning plates Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.