The Bessey K Body REVO parallel clamp 18" - KR3-518 offers an Everyday clamp force of 1500 lbs It also offers these features :
Jaws clamp at accurate 90 degree angles
Everyday clamp force of 1500 lbs
Large handles and clamping surface
Replacement parts for all components
Throat Depth: 3 3/4"
Clamping Capacity: 18"
Clamping force: 1500 lbs