KHC1420 AUTOMAXX 6" FACE CLAMP KREG | Wood Project clamps are perfect for Kreg Joinery, project assembly, general clamping and more. These versatile clamps have large clamp faces that distribute clamping force evenly and won't mar delicate surfaces. They are compatible with the Kreg Jig R3's clamp pad Adapter and the Kreg Jig portable base.