Features: _x000D_ 1. Made of high quality carbon steel material, durable and long service life. _x000D_ 2. After high temperature quenching, greatly improve hardness, wear resistance, strength and toughness _x000D_ 3. The lathe turning toll holder is of vacuum nitriding treatment, the hardness of surface is higher and more wear-resistant. _x000D_ 4. It can reach the function of extending the arbor, specially clamp below 6-8mm _x000D_ 5. It is a tool for assisting the machining of the inner hole of the lathe and preventing the knife from vibrating. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Material: Carbon Steel _x000D_ Optional Style: SHB16-06-100L, SHB20-06-100L, SHB20-07-100L, SHB20-08-100L _x000D_ Outer Diameter Inner Diameter Length _x000D_ SHB16-06-100L 16mm /0.6in 6mm / 0.24in 100mm / 3.94in _x000D_ SHB20-06-100L 20mm /0.8in 6mm / 0.24in 100mm / 3.94in _x000D_ SHB20-07-100L 20mm /0.8in 7mm / 0.28in 100mm / 3.94in _x000D_ SHB20-08-100L 20mm /0.8in 8mm / 0.31in 100mm / 3.94in _x000D_ _x000D_ _x000D_ Package List: _x000D_ 1 * Lathe Turning Tool Holder