Locking ring features knurled finish for secure no-slip grip and positively locks body halves together during use Innovative design makes tool easier and more secure to use than old-fashioned pin-aligned drivers No more worrying about part of the tool falling off and damaging the fork leg High quality protective black e-coat with laser engraved markings Perfectly weighted to drive seals Limited lifetime warranty. RINGER SEAL DRIVER 35-36M