Seat%20Swivel%20EDC%20-%20LockingPart%20No.%20RWB3787%0D%0ABlack%20EDC%20coated%20steel%20360%20degree%20seat%20swivel%20with%2012%20way%20locking%20mechanism.Nylon%20ring%20bearing%20for%20smooth%20and%20silent%20operation.175mm%20(7%22)%20diameter%20with%20large%20universal%20slotted%20holes%20to%20suit%20most%20brands%20of%20seats.Locks%20in%2012%20different%20positions%20-%20every%2030%20degrees.