Solid Post Lapidary Drill Bit - Narrow & Long Size:0.8mm Approximate size for 1 piece:

Approximate size for 1 piece: 7cm x 6cm x 3cm

or butterscotch nephrite with one polished face

Size approximately: 17mm x 10mm x 11

Approximate Weight for 1 bracelet: 17g

they can be used for carving

Solid Post Lapidary Drill Bit - Narrow & Long Size:0.8mm Approximate size for 1 piece:Description: Lapidary Drill bits can drill stone, sea shell and glass. The thin shaft on these bits allows them to penetrate into depths, but they aren't designed as well as deep drills for such a task. Use water when Drilling. Drill bits are very different than burrs. Drill bits put a hole in things. Burrs carve. Use them accordingly. Drill Bit Lifespan (Average): 5 to 20 holes each. In soft stone, expect 20 holes per bit. In agate, expect 5 holes