Bessey TG80S17 Malleable cast iron screw clamp TG 800/175 Wood Handle, BE100422 – Clamping force up to 6,000 N. Ergonomically shaped wood handle. Pressure plates can be replaced by hand 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.