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Gold & Platinum Monster Starburst 9mm Friction Earring Backs

Part # 21B-520 6 In Stock Weight -- lb -- g
Current price $165.04
Metal Types: Platinum

Monster "Starburst" friction ear nuts are oversized, heavy-duty earring backs designed for maximum stability and security. Built to a heavier gauge than standard ear nuts, these 9.0 mm backs deliver superior grip and support — particularly for larger or heavier earrings. Sold individually — order two for a pair.

Features

  • Large 9.0 mm diameter at the widest point for maximum support
  • "Starburst" design provides superior grip and holds heavier earrings securely in place
  • Constructed to a heavier gauge than standard friction ear nuts
  • Oversized profile is easier to handle and less likely to be misplaced
  • Made in the USA
  • Sold individually for flexible ordering

Specifications

Style Monster "Starburst" friction ear nut
Diameter 9.0 mm (widest point)
Post Compatibility 0.76–1.00 mm (0.030–0.040", approx. 21–18 gauge)
Country of Origin Made in the USA
Sold As Individually (order 2 for a pair)

Available Options

Part # Metal Type
210-520 14K Yellow Gold
211-520 14K White Gold
21B-520 Platinum
21C-520 18K Yellow Gold
21E-520 18K White Gold

What's Included

  • One 9.0 mm Monster "Starburst" friction ear nut

Notes

  • Sold by the piece — order 2 for a pair.
  • Ideal for larger or heavier earrings requiring extra support and balance.
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
WR Cobb
Part #
21B-520
Type
Earrings
Country of Origin
United States
Dimensions
0.15 in x 0.15 in x 0.25 in
Style
Monster "Starburst" friction ear nut
Diameter
9.0 mm (widest point)
Post Compatibility
0.76–1.00 mm (0.030–0.040", approx. 21–18 gauge)
Sold As
Individually (order 2 for a pair)