The Ping Cadence TR putter models utilize different weight face inserts to provide the right fit for golfers swing tempo, which is key to a consistent putting stroke. The traditional models have a blue grip and a blue aluminum face insert and is designed for a faster tempo stroke. The heavy models have a black grip and a black steel insert and are designed for a slower tempo stroke. The Cadence TR putters have the next generation True Roll technology grooves that vary in width and depth for ball speed consistency and accuracy. The Shea H is optimal for players with a strong arc putting stroke.