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- Features List
- Made of strong hard tungsten steel,not easy to bend and break. with higher wear resistance and higher efficiency
- Shank: 3mm, Length 45mm, shapes: 30º/45º/60º/75º/90º/105º/120º, total 7 pieces
- Professional for jewelry maker, used with pneumatic impact engraving machine, air hand graver
- High concentricty and high speed, the bit can cut clean without any ragged edges, High precision and convenient to use, practical accessory for jewelry processing
- Package contents: 7 pieces 3mm shank tungsten steel jewelry engraver tools