TT150 Koviss Golf Tee L & xS Magnet TEEs make an economical choice over wooden tees. The Mag Golf-TEE features a durable, tumbling top that rotates 180 degrees and even less resistance. The head and the base are pulled together with a powerful magnet and connected with a urethane hinge. Fewer contact points on top made for a more controlled spin. Less resistance means cleaner follow-throughs and a further more accurate shot. The TEE BOTTOM is Nylon an extremely strong, tough and abrasion resistant material. Get ahead of the competition with this incredibly smooth, consistent tee. The xS TEE, this durable construction lets you put your ball on the green time and time again. Designed to double, it acts as IRON TEE or as an anchor when tethered to one of the other Koviss TEE’s. This little “monster” is sure to see lots of action. No more estimating how high teeing up - no more improper tee depth. Different TEE heights enables golfers to have more confidence with their tee shots and to profit each time teeing up of the correct TEE height. TT TEE Mag length total / head only : L : 78 / 46 mm - 3.07 / 1.81 inches M: 70 / 38 mm - 2.76 / 1.5 inches xS: 39 / 14 mm - 1.54 / 0.55 inches Koviss TEE are conform with the rules and regulations of R&A / USGA The use of a conforming golf tee which is tethered to conforming tees by a string or cord is permissible, provided that the string or tee are not used to aid the player in his alignment.