Features: _x000D_ This is a set of split bushing converters for multiple purposes of chuck or collet sutability. _x000D_ Adopted high quality springsteels material, it is of good flexibility and wear resistance. _x000D_ High precision, tight and stable clamping offer much convenience of workings. _x000D_ Comes with 9 pieces of various sizes of adapters, so they are applicable to different specifications of the bit tool and chuck. _x000D_ Suitable for engraving machine, wood router. A perfect woodworking tool. _x000D_ _x000D_ Specifications: _x000D_ Condition: 99.99% Brand _x000D_ Material: Springsteels _x000D_ Outer Diam. - Inner Diam.: 12.7-6.35mm, 12.7-6mm, 12-6mm, 12-8mm, 12-10mm, _x000D_ 10-8mm, 9.5-6.35mm, 8-6mm, 8-6.35mm _x000D_ Weight: Approx. 90g _x000D_ _x000D_ Package Included: _x000D_ 9 * Chuck Collet Adapters 1This is a set of split bushing converters for multiple purposes of chuck or collet sutability 2Adopted high quality springsteels material, it is of good flexibility and wear resistance 3High precision, tight and stable clamping offer much convenience of workings 4Comes with 9 pieces of various sizes of adapters, so they are applicable to different specifications of the bit tool and chuck 5Suitable for engraving machine, wood router. A perfect woodworking tool