Height Adjustable Twist Tee (3) Large Clear Tee height range: 2 7/8 -3 5/8 (1) Small Translucent Blue Tee height range: 2 1/4-2 5/8 Consistent Tee Height = Consistent Drives Threaded shaft for easy, precise height adjustment - adds consistency to your game Very Durable - may last for an entire season