Bessey TG25S10 Malleable cast iron screw clamp TG 250/100 Wood Handle, BE100250 - Clamping force up to 6,000 N. Ergonomically shaped wood handle. Pressure plates can be replaced by hand Ð no tools required (from 80 mm throat depth). With protective caps on the clamping surfaces. Stable profiled rail with serration. Bessey anti-slip system (from 80 mm throat depth). Integrated Bessey anti-slip system, Maximum safety is available with the integrated Bessey anti-slip system, when clamping with a throat depth of 80 mm or more. A set screw that is molded into the sliding arm interlocks with the serration on the rail. This effectively prevents the clamp from dislodging or slipping away.