Set Screw REPLACEMENT for Will-Burt Versa-Vise No. 4-1011-1 Gunsmith Tool Swivel Clamp Lock Condition: New (see pictures for details). Approx. Size per screw: 0.5″ x 0.5″ x 1.25” Shipped via USPS. See photos before bidding. For additional information as they are part of the item’s description. Do not hesitate to contact me should you need more pics or have any other questions. Thanks for looking!