Shaft - Compression molding process Materials - Aerospace grade superlight high modulus pre-preg graphite Durability - Patent pending Impact Layer TechnologyÖ for durability Shape - 'C' Contoured Geometry. A rounder corner radius designed for improved feel taper - 24" taper for improved loading Exterior - Enhanced grip texture coating Blade - Aerospace grade 12k superlight graphite for optimum stiffness and lighter weight Core - New enlarged SWEETSPOT PLUS foam core with complete perimeter abrasion band for better feel and extra durability V10.0c OPS SR Length: 60"/152cm Flex: 40/REG.