Pulsar is the most popular replacement spike on the market and is the perfect combination of traction on the course and comfort. With eight points of contact on the turf, Pulsar flexes with you with each swing giving you the performance required, while being incredibly green friendly. 18 COUNT PACK - Includes one set of replacement golf spikes featuring the Fast Twist 3.0 Insert System. Wrench sold separately. Compatible with the Softspikes Cleat Kaddy. Pulsar Fast Twist 3.0 Golf Spikes are found on the following major shoe brands: FootJoy, Callaway, TravisMathew/Cuater, Johnston & Murphy, New Balance.