7 Honing Machines and Accessories for Such Honing Machines-Namely, Foot Controls for Honing Machines; Abrasive Elements Adapted for Attachment to a Machine-Namely, Abrasive Discs, Abrasive Hones, Blades-Namely, Roll Conditioning Blades, Cylinders-Namely, Hemming Cylinders, Segments, Cutoff Wheels, Mounted Wheels, Regulating Wheels and Grinding Wheels, Electro-Chemical Wheels, Internal Wheels, Portable Wheels, Highspeed Portable Wheels, Raised Hub Disc-Type Wheels, Reinforced Wheels and Valve Seat Grinding Wheels