Package:60pcs 30mm Red Plastic Golf Step Down Castle Tees Professional Height Control Castle Tee Material:plastic Size:approx 30mm in height Color:red as the picture show Can be used for tee shot consistency by ensuring the ball is at the same height for every drive or iron shot off the tee box. Don't let ball height be an inconsistent factor in your game. Durable,eco-friendly,unbreakable.Give you a consistent height to hit,great height control for practice. Great used by golfers,also can be used in a peg board for gaming purposes.And please be sure that the diameter of the stem can vary slightly.