💎Principle: mainly from the grinding Angle and circular indexing, any faceted gemstone surface is through the grinding Angle and circular indexing one-to-one correspondence to achieve.
💎Copper manipulator, multi-scale and multi-angle grinding precision is high, suitable for gem grinding with high requirements.
💎It is suitable for grinding and polishing the ring surface, egg surface and plane of gem, jade, jadeite, agate, beeswax, etc.
💎The bearing handle is connected with the support fork seat, which makes the operation handle rotate more smoothly, reduces the loss of the shaft, improves the stability.