The Kreg KKS-KBKSYS Bench Clamp System adds a helping hand to your workbench. Perfect for assembling pocket hole joints, or as a general hold-down when routing, sanding, and more. Kreg"s most popular Bench Klamp consists of a 3-Inch x 4-Inch x 1/4-Inch thick hard-anodized aluminum insert plate and clamp. Insert plates are also sold separately that can be routed into your workbench to add multiple clamping locations. Features: * 3-Inch x 4-Inch x 1/4-Inch thick hard-anodized aluminum insert plate * Insert plates are also sold separately and added to any bench * Use as a general hold-down point What"s In The Box: * Kreg KKS-KBKSYS Bench Clamp System