The 660 and 1200 Series clamps represent the light duty end of the Bessey all steel line-up of clamps. These clamps, as all sliding arm clamps, do the work of many different sizes of C-Clamp and do it nine times faster! This means that you can complete your set-ups quicker, and do a large variety of jobs with fewer clamps. Designed and manufactured for years of dependable service. These clamps feature the new improved, stronger profile bright drawn steel rail along with Bessey's spatter resistant extra hard spindle.