High Accuracy / dependable basic cylindrical grinding attachment for lathe High-Speed G100F-10x6700 rpm is also available for tungsten carbide wheel users. A highly-efficient grinding option for roller manufacturers 10.0 Horse Power (HP) / 16 inch Grinding Wheel / Main motor 1450 rpm We use German Made world renowned Siemens Main Motor. This flexibility is enhanced further as the machines can be equipped with a variable inverter drive. WISE G series cylindrical grinding attachments can upgrade your lathe machine to a basic parallel grinder. For more information please go to website:http://www.roller-grinding-machines.com/g100-roll-cylindrical-grinding-head-5p.html