11 in Locking C-Clamp, 3 3/8 in Max. Opening, 2 5/8 in Throat Depth/ JAW CAPACITY: 4.000 INCHES NOMINAL THROAT DEPTH: 2.625 INCHES NOMINAL CLOSED OVERALL LENGTH: 11.000 INCHES NOMINAL FEATURES PROVIDED: SWIVEL PAD LOCKING CLAMP TYPE: C-CLAMP SPECIFICATION/STANDARD DATA: 05047-ASME B107.500/B107.24 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 CLASS AND B STYLE