The combination spike that combines a standard steel spike with the benefits of a soft spike. Unique patented design. Unsurpassed comfort. Parallel traction. Innovative wear indicator. Easy to change and clean. Twice the durability of nearest competitor. Green friendly. Fits Adidas (after 2000), Callaway, Ecco 2007 (after 2004), Footjoy, Lady Fairway, Oakley, Wilson and Reebok (after 2003).