This Hultafors CFP Screw Clamp has the following specifications:

Clamping Capacity: 300mm (12in).
Throat Depth: 140mm.
Rail Dimensions: 25 x 12mm.
Weight: 1950g.

The Hultafors CFP Screw Clamp has a steel rail forged in one piece, profiled, nickel and chrome plated. It also features a strong flat threaded, black phosphate screw with tilted pressure plate. The slim front anvil allows for increased access in narrow places, while the pivoting handle provides increased clamping pressure.

Specification:

Clamping Force: 700kg.