Draper Cylinder Hone With Stone Set, 25 - 57mm, 220 Grit - CH25/57For use on small bore cylinders i. e. motor cycles etc. with capacities between 25 and 57mm. The flexible drive shaft allows easy alignment whilst working, with the honing pressure adjustable to suit the particular application. Suitable for use with an electric or air drill, the maximum working speed is 2400r min. Overall length 210mm. Supplied with 220 grit stone set, which are also available separately Stock No. 56247. Display packed. Key Features