Universal Mini Clamp Table Bench Vice + Precision Pin Vise Model Hand Drill with 20 Pcs Twist Drill Bit for Carving Bed Nuclear Carving Clamp Mini Clamp Size Length:110mm .Width:62mm .Height:35mm Fit Max Table Thick Size:55mm aluminum hand drill punch holes in plastic,wood. Great for crafts, jewelry, watch making 20pc 0.5mm-1.6mm Twist Drill Bit.Material: High Speed Steel