3", Premium Face Lock Clamp, Operates At A Maximum Angle Of 60 Degree, Extra Large Pad Creates A Flush Joint As The Screws Are Driven, Ergonomic Comfort Grips To Help Reduce Slippage & Diminish The Possibility Of Pinching, Designed To Handle Work Pieces Up To 2-3/4" Thick, Forged From Steel, Compatible With Kreg Jig R3'S Portable Clamp Adapter, THIS ITEM IS ONLY AVAILABLE TO KREG DEALERS.