Gold & Platinum 7.1mm Guardian II Positive Locking Post & Back Sets Safety Products Quatro SPU systems: 147

Quatro SPU systems: 147

Compatible with plastic media and detergent for aggressive surface cut-down

Velcro™ strips secure guards to hoods

A reliable maintenance solution for professional jewelers and bench technicians who depend on steam cleaning equipment for daily use

0 mm undrilled

Gold & Platinum 7.1mm Guardian II Positive Locking Post & Back Sets Safety Products Quatro SPU systems: 147The 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