Gold & Platinum 7.1mm Guardian II Positive Locking Post & Back Sets Jump and Split Rings True Size Ring Mandrels are

True Size Ring Mandrels are available separately

mount the bender securely to a stable bench surface using suitable clamps or bolts (mounting hardware not included)

Steel shot must not be used in the UV-45

Rinse barrels and media thoroughly after each use

Gold & Platinum 7.1mm Guardian II Positive Locking Post & Back Sets Jump and Split Rings True Size Ring Mandrels areThe Guardian II Positive Locking Post & Back Sets are the professional standard for secure fine jewelry earring findings. Each set pairs a 7. 1mm outside diameter Guardian II Comfort Trigger ear nut with a matching 2 notched ear post, sold together as a single set. Positive locking backs have been trusted since the French introduced the ZOP system in the late 20th centurythe Guardian II refines that legacy with larger, easier to use comfort triggers