Used for polishing jewelry and soft metals | Can be installed on a bench grinder which with 1/2" arbor directly or a bench grinder spindle adapter | Easy to install and use | Polishing Kit Includes: 1PC 6" yellow cotton buffing wheel;1PC 6" white cotton buffing wheel;1PC 6" loose flannel buffing wheel; each 1PC 100G brown tripoli/blue/red rouge polishing compound bar | Complete metal polishing kit, includes coarse to fine buffing wheels and polishing compounds, make your polishing work efficiently