The abrasive grains are embedded alongside one another over the surface with the disc and connected to some vulcanized fiber backing. The surface in the wheels provides a spiral pattern which allows for aggressive grinding at A lot cooler temperatures. It is important to stability wheels around 10 inches https://www.facebook.com/permalink.php?story_fbid=pfbid037Dfp8cqWvqpeXFQqMHNGdqGR68LK3JYQ51ToVXC82Cme4MVEEXeitoKYjLvzUaGUl&id=61562415773754&__cft__[0]=AZXstENLU_wRxbyOJhvGeBoYTbR6-TrYi0pcW6FBNtQVWVvg-aOGvfppvGvt7C3GChSMUEb1eEw-nMkzxy_IHnQUdBCgtewKzXM1pldcYb_UNAw5IFU32a_E6-rVNUOOic6SAw3j5wFT0b7hRf2kQuKtXppkeYg6MgAkAFk23fkHC19Ho-8PCloXp0MeAQgm9jlNGeOqcuM_Jhje4E2Tnk82&__tn__=%2CO%2CP-R