Palmgren 9629112 Regular Duty Deep Throat Black Oxide Spindles C-Clamp, 0-2" High strength, lower weight, greater throat depth and lifetime guarantee against breakage Hardened steel spndles provide greater loading capabilities and longer service life Black -oxide plated spindles resist wear and tear while impeding rust Bodies have a nickel and chrome plated finish Innovative spring tempered steel frames and replaceable swivel pads