Zenith False Noses/Taper Spindles can be used on bench grinders to convert them for use with all types of polishing mops. Available for machines with 6 12 or 16mm spindles.Zenith Profin Taper Spindle (drill Mounted) pigtails are used in hand held power drills when using polishing mops and have a 6mm spindle chuck mounting.Additional Information:• Spindle Type: Drill Mounted• Size (mm): 6