Gold Guardian II Positive Locking 6.1mm Earring Backs with Comfort Triggers Kerr 000 RPM Recommended Motor 1/3

000 RPM Recommended Motor 1/3 HP Series M

Mushrooming at the striking end should be filed or ground off regularly

Made from high-speed chrome tool steel for durability and edge retention

210 – Ball Bur 5

Part Number 004-905 Weight 3

Gold Guardian II Positive Locking 6.1mm Earring Backs with Comfort Triggers Kerr 000 RPM Recommended Motor 1/3The Guardian II Positive Locking Earring Backs also known as Guardian II Ear Nuts or Guardian II Safety Earring Backs are a 6. 1mm outside diameter clutch with comfort triggers, designed to fit a 0. 89mm diameter post. These backs offer a secure, positive locking hold: the triggers snap closed around a groove on the matching ear post and can only be released by squeezing both tabs simultaneously. The Guardian II improves on the original Guardian