"Universal Work Holder Peg Clamp Jewelers Hand Held Vise Jewelry Engraving Tool Peg clamp is a Universal work holder or hand hold vise which is used for engraving, settings, holding, and repairs of Jewelry items. This peg clamp is made of aluminum and securely hold through a wooden handle. The work surface of the peg clamp is designed with holes that can hold 8 pins (included) in multiple positions to insure a secure hold. The clamp is open through turning a knurled side screw. The clamp opening section has two guide pins to provide support. The work holder can be removed from the handle. SPECIFICATIONS Work Holder Head Material: Aluminum Work Holder Head Holes: 60 Nos Head Diameter: 2""(50mm) Approx. Work Holder Holes Depth: 0.28"" (7mm) Work Holder Metal Pin Diameter: 0.118"" (3mm) Work Holder Metal Pin Length:0.54"" (13.72mm) Wooden Handle Diameter: 1"" (25.4mm) Wooden Handle Length: 4"" (101.6mm) Weight : 6.72 Oz (0.19 kg) "