Dont Mess With The Dimple. The Epoch is the only golf tee with radius posts that span the width of the dimple, creating an extremely low coefficient of friction between ball and tee. The Epoch eliminates deflection of the ball at impact and reduces spin. The #1 Performance Golf Tee on Tour. Since 2004, Epoch golf tees have racked up more than 100 wins on the professional tours. Durable and Mower Friendly. Epoch golf tees last longer than wood tees and do less harm than wood tees to mowers. MADE IN THE USA CONFORMS WITH USGA & R&A RULES OF GOLF.