Router Collet Extension Rod Router Bit Adapter Extender for 1/4In 8mm 12mm Shank

Features: * Brand New and High Quality *Name: Milling cutter extension rod *Material: carbon steel *Usage: used for lengthening the shank of milling cutters engraving machine trimming machine accessories *Note: When using the speed should be slow at the beginning. When the rotation is stable it will speed up slowly. If used too fast according to inertia it will cause the machine to shake. *optional size:6mm shank To 6mm 8mm shank To 8mm 1/4 shank To 1/4 1/4 shank To 8mm 8mm shank to 12mm 8mm shank to 1/2 12mm shank to 12mm 1/2 shank to 1/2 Package Contents: 1 PC x Router Bit Adaptor