Check the listing for details. CALLAWAY Diamond Universal Red Cap Golf Club Grips 580" Core Standard Size Black. Color: Red, Condition: New. Listed at 37.50 USD. You Are Purchasing a Brand New Callaway Diamond Universal Red Cap Grips Callaway Diamond Universal Red Cap Black GripCompatibility: Fits irons, hybrids, and woodsDesign: Updated texture and materials for a comfortable feel and enhanced controlColor: Black with a distinctive red capUniversal Fit: Suitable for various club typesBrand: CallawayPerfect for golfers seeking improved grip performance and consistency across their clubs. .580" core diameter availableStandard size availableBlack With Red Cap onlyThe Callaway Universal Grips are a .580 core Men's standard grip. If installed on a .580" butt size shaft they will yield and standard men's size. If installed on a .600" butt diameter shaft, the size would be 1/64" oversize Men's."For our valued international customers, please be aware that all customs-related responsibilities are the customer's responsibility."