Bessey XCRU3 Deep Reach Ratcheting Spring Clamp 2-Inch Capacity, 2-Inch Throat Depth Square throat design 2-by-2-inch and quick release trigger Clamps are made of high strength glass filled nylon Handles are manufactured with 2 component soft grip design for comfort and durability Pivoting soft jaws include V groove for holding round stock Pivoting jaws self align on uneven surfaces