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14KY,14KW,18KY,18KW & Platinum 6.1mm Guardian Positive Locking Earring Backs  - Otto Frei
WR Cobb

Gold & Platinum 6.1mm Guardian Positive Locking Earring Backs

Part # 21B-302 Only 1 left Weight -- lb / -- g
$79.61
Metal Types: Platinum

Description

Made with certified recycled precious metal. Our silver, gold and platinum is refined from certified recycled content rather than newly mined ore, through refiners audited by outside parties. How we source our metal

The Original Guardian positive-locking earring backs — also known as Guardian Ear Nuts or Safety Earring Backs — deliver professional-grade security for fine earring designs. Each clutch features straight, ridged trigger tabs that lock positively onto a matching post groove and release only when both side tabs are pressed simultaneously. Sold individually; order two for a pair. Available in 14K yellow, 14K white, 18K yellow, 18K white gold, and platinum — all made in the USA using 100% recycled precious metal.

Features

  • Original Guardian design with straight, ridged trigger tabs
  • Positive-lock mechanism engages post groove; releases only when both tabs are pressed
  • Made in the USA using 100% recycled gold and platinum
  • ISO 14001:2015 & ISO 9001:2015 certified manufacturer
  • Sold individually — order two for a pair

Specifications

Style Guardian Original — straight triggers
Fits Post Diameter 0.89 mm (0.035")
Outside Diameter 6.1 mm (0.240")
Trigger Type Straight, ridged tabs
Origin Made in the USA
Sold As Each (order 2 for a pair)

Available Options

Part # Metal
21B-302 Platinum
210-302 14K Yellow Gold
211-302 14K White Gold
21C-302 18K Yellow Gold
21E-302 18K White Gold

Compatibility

  • Designed for use with Guardian straight posts (0.035" × 0.395"): 20B-302POMAIN
  • For thicker posts (1.06 mm / 0.042"), use Guardian II backs (7.1 mm OD): 210-304

Notes

  • Clean clutches with alcohol only — avoid polishing compounds, rouge, ultrasonic solutions, or other chemicals
  • Excess heat, debris, or chemical residue can impair the internal locking mechanism
  • Professional installation recommended; confirm post groove matches Guardian clutch specifications

Specifications

Brand
WR Cobb
Part #
21B-302
Type
Earrings
Country of Origin
United States
Dimensions
0.15 in x 0.15 in x 0.25 in
Style
Guardian Original — straight triggers
Fits Post Diameter
0.89 mm (0.035")
Outside Diameter
6.1 mm (0.240")
Trigger Type
Straight, ridged tabs
Sold As
Each (order 2 for a pair)
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

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