Triangular Screw Thread with cross handle. Lot of pressure. Recommended for work of the metal. Mobile anti-glissant braking system on the head. Calibrated steel shaft 18 x 7 mm. Clamping Range: 4000 N – 400 lbs. Projection: 7 cm. Tie length: 15 cm. Patented product phier. Made in Spainrence: pi-01015Clamp type: Screw Clamp 18 x 7 mm x 15 cm M – 01015 – PiherType: