Features: Brand new and high quality Polishing by brazing diamond technology, the service life is twice as long as the traditional diamond coating rotations point. Applicable to a variety of model such as seaming machine, trimming machine, edging machine Used for Edges cutting of stone, marble and granites, Stone, artificial stone, tile, etc. Small size, easy to carry and store, convenient to use With great workmanship, can perfect replace for old Specifications: Material:Diamond Handle diameter: 6.35mm Length: 65mm/2.56inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1x Router Bit