BESSEY 4 in Capacity Cabinetry Clamp for Aligning Face Framed Box w/1-1/4 in.
Throat Depth. It works on stiles 1-1/2 in. and up to 1-1/2 in. thick (each). The clamp holds the individual cabinet edges together while also keeping the faces along the joint flush. There is an integrated pilot-hole drilling guide on one end.