Kreg KKS1110 Automaxx Bench Klamp System This system combines a 3" Automaxx Bench Klamp with a Kreg Klamp Plate Auto Adjust technology automatically adjusts to any thickness and clamps materials up to 2-1/2" thick Easy to regulate clamping force uses just a simple thumbscrew and extra-large padded clamp spreads clamp pressure evenly Auto Adjust technology maintains consistent clamping pressure Heavy-duty all-metal construction ensures strength and durability Automaxx Bench Clamps automatically adjust to any thickness Tremendous clamping force that's easy to regulate The KKS1110 Bench Clamp System combines a 3-Inch Automaxx Bench Clamp with a Kreg Clamp Plate