Amazon
Capacity: 79 mm. Length: 300 mm. Curved and large jaws ideal for plumbing and automotive applications. Made from heat treated steel which is very durable. Adjustable pressure by rear screw.
Radwell UK
CARBON STEEL BAR CLAMP: 4-1/2" CAPACITY, 1-3/16" THROAT DEPTH, 35 LB CLAMP PRESSURE