Universal 3/4inch Fit: Designed to seamlessly fit any standard 3/4inch (19mm) dog holes, our bench can be directly inserted into your workbench, making setup quick and easy. Enhanced Workpiece Stability: The square clamping pad of our bench dog clamps provides a non-slip grip, ensuring your lumber stays put during routing, cutting, or sanding operations. Superior Material Durability: Constructed with an anodized aluminum alloy, these bench offer greater durability and than plastic or nylon, capable of withstanding rigorous work environments. Optimal Pack Quantity: A set of 12 bench allows for maximum holding power, ensuring your wood boards are firmly secured for precision work, making them an perfect choice for both hobbyists and professional woodworkers. for Tool Safety: With a low-, the bench stay beneath the surface of your workpiece, preventing any interference with your tools and safeguarding your blades from damage. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:red Material:aluminum Size:19mm Package Contents: 12x bench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.