These variable spring clamps from Bessey can clamp on items up to 4" max opening on the clamp. They have soft-touch swivel pads that prevent marring of the soft work & the handles remain in a constant easy-to-grip position at all openings. It has a soft & non-slip two component ergonomic handle.  ,Since 1889, Bessey has been setting standards in hand clamping & cutting technology. Our core competencies of research & development allow us to continuously create innovative new products &, to improve upon our current products. Bessey's tools are produced from the top quality materials, using state of-the-art techniques. This allows the highest degree of comfort, safety & user-friendliness so that you can also benefit from our unique innovation advantage &, in accordance with our company motto: “Bessey. Simply better.“,For California Residents:,   WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov,WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood Bessey 4" Variable Spring Clamp "Varioclippix" ~ XV5-100