60PCS Punta Diamante Trapano Giada Perla Punzone Smussata 1,5mm per Gioielli

Warm reminder: Drill bit generally need to be drill slowly on the stone when start to drill, wait for the stone to open hole and then drill hard. Like hard stones, or ice types, miscellaneous stone, agate, etc., the punch needle may not be durable.

eBay