Description：Made of steel materials, durable and not easy to break.Applicable: Suitable for dumbbell barbell plumbing, etc.Specification：Material: steelColor: SilverThreaded Size: M8 x 1.25mmHex Nut：4mm x 8mm/0.16“x 0.31"(Inner hex width x Length)Wrench：20mm x 50mm/0.79“x 1.96"(Hex width x Length)Package Included:4pcs x Dumbbell Inner Hex Nut.
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