Hex Nuts,2Pcs Dumbbell Bar Barbell Bar Hexagon Nut - Hexagon Anti-Skid Nut One (25Mm)Standard Star Locks 25Mm For Dumbbell Bars

* Made from qualified cast iron with chrome plating - rustproof, high strength and corrosion resistant
* Easy and convenient installation / removal
* Inner diameter: 2.5 cm; Thickness: 1.9 cm
* Ensure balance and stability safely and securely
* Designed to secure the position of the dumbbell on the bar