Button Bit Grinder is a high powered tool for worn button bit sharpening. It is configured for hand-held use by ergonomic placement of a very efficient throttle and support handle. Simplicity in design combined with the latest manufacturing techniques gives the operator a powerful tool for the most demanding job. A full spares back-up service is also available. Available with a choice of Hemispherical, Ballistic Semi Ballistic, Paraboloid Or Conical pins, in sizes 6mm to 25mm. Other sizes available on request. A full spares back-up service is also available.