HSS DRILL BITS FOR CRAFTING. Equipped with 25 high-speed steel (HSS) twist drill bits (0.5mm-3.0mm), this pin vise ensures long-lasting sharpness and clean, accurate drilling on delicate materials like resin, seashells, and beads ERGONOMIC SLIP- GRIP. The anti-slip design of the handle provides the right leverage for speed and when used for intricate drilling tasks where accuracy is critical, this micro drill bit set provides comfort and control during extended crafting sessions, reducing hand fatigue 1*Micro Drill Bit Set Color: Black Material: Metal Package Contents: 1*Micro Drill Bit Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.