Item Type: Golf Tees Material: ABS Plastic Bottom Diameter: Approx. 18 mm/0.7 in Total Length: Approx. 80 mm/3.1 inLimit Height: Approx. 40-55mm/1.6-2.2 inProduct Weight: Approx. 4g/0.1oz 1、Using streamlined design, the combination of soft and hard materials, to create a functional and beautiful ball nail! 2、The 6‑claw part of the nail is made of soft rubber material, which can increase the service life of the nail and avoid damage to the head of the nail! 3、The height can be adjusted by the built‑in thread. The total length of the ball nail is 80mm/1in, the shallowest value is 40mm/6in after being inserted into the soil, and the deepest value is 55mm/2in. 4、If you like to position the ball with a spot to strike, they will let you move the ball into position easily. 5、An excellent training tool for indoor and outdoor practice, a gift for golf fans, fathers, and family members.