Jewelry Universal Ring Small Parts Watch Case Work Holder Peg Clamp Vise 8 Pins Universal Parts Holder Vise Clamp Unit overall dimension: 3-1/2''L x 3-1/2''W x 4''H Vise Jaw open: 3/4" Max. ***** Vise diameter: 2" ***** Pin holes: 60 ***** No. of pins (included): 8 360 Rotation and 180 swivel neck for optimal control Quantity: 1 ; Ideal for repairing and engraving jewelry