Description: Help drill small holes in resin, wood, plastic, polymer clay, bead, pearl or other not too hard surface. Assist to make necklace, earing, bracelet, pendant, keychain, model, sculpture, doll etc. Make small job much easier. Note: Not fit for hard materials, like iron, steel, stone. Tight 3 Jaw Chuck: The hand pin vise features 3 jaw chuck, clamp the drills bits in 0.8-3 mm, Keep them upright and clip them really tightly, good for smooth drilling work, And its easy to tighten and loosen drill bits by rotating the vise head. Drill Bits Set: 10 sizes of steel drill bits for choosing, 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0 mm. Material: Aluminium alloy Color: Silver Type Set A1 Steel Hand Drills +10 Drill Bits Set A1 Steel Hand Drills + Fixed Seat +10 Drill Bits Set B1 Steel Double Side Hand Drills +10 Drill Bits Set B2 Steel Double Side Hand Drills + Fixed Seat +10 Drill Bits Set C1 Aluminium Alloy Hand Drills +10 Drill Bits Set C2 Aluminium Alloy Hand Drills + Fixed Seat +10 Drill Bits Size: As the picture show Package including: 1 Set Note: Size for manual measurement, there may be a 0- 2mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!