Special features Material: Made of fiberglass-reinforced nylon plastic Steel rail: For extra strength Plastic jaws: Provides protection for the material Maximum contact pressure: 100 N to 150 N depending on the clamp 4-piece set: Includes two smaller and two larger clamps Technical data Clamp dimensions: 2 pieces: 105 x 200 mm 2 pieces: 155 x 345 mm Maximum clamping range: 105 mm (for the smaller clamps) 155 mm (for the larger clamps) Maximum reach: 30 mm (small clamp) 60 mm (large clamp) Maximum spreading range: 190 mm (small clamp) 330 mm (large clamp) Steel rail thickness: 3 x 8 mm (small clamp) 6 x 19 mm (large clamp) Maximum contact pressure: 100 N (small clamp) 150 N (large clamp) Included as standard 2 pieces of clamps measuring 105 x 200 mm 2 pieces of clamps measuring 155 x 345 mm