Spring Clamp, Ratcheting No, Insulated Yes, Reflectivity Nonreflective, Jaw Tip Style Non Marring, Jaw Tip Material Rubber, Jaw Opening - Maximum 1 in, Throat Depth 1 in, Overall Length 4 1/4 in, Jaw Material Resin, Handle Style Anti-Slip, Features Holds Odd-Shaped Workpieces, Non-Marring Pads Protect Workpiece, Handle Material Plastic Resin