The BESSEY clutch style clamps are a popular regular duty clamp that can be used for a wide range of projects. These economical clamps are available in a wide range of sizes starting with the GSCC2.506 with a 2-1/5 " throat x 6 " capacity up to the GSCC5.024 with a 5" throat x 24" capacity and, a range of clamping pressures from 600 to 1200 Lbs. BESSEY. Simply better.