1、The level auxiliary corrector auxiliary corrector is placed on the top of the golf tees to correct the inclination of the golf tees. 2、The soft interface can reduce the resistance when hitting the ball and can also increase the service life of the golf tee. 3、Using high-quality PC material, simple and fashionable design, crystal clear appearance, both beautiful and practical. 4、With a height control knob, you can easily adjust six heights with just one hand. 5、The six heights are: The first height is 30mm/1.2in; the second height is 33mm/1.3in; the third height is 36mm/1.4in; the fourth height is 39mm/1.5in; the fifth heigh is 42mm/1.7in and the sixth height is 45mm/1.8in. Item Type: Golf Tees Material: Plastic + PC Product Color: As Pictures Shown Round Plate Diameter: Approx. 13 mm/0.5 in Total Length: Approx. 80 mm/3.1 in Product Weight: Approx. 46g/1.6ozSteps for Usage: Step 1: Adjust the tee to a suitable height, then hold the tee disc with your fingers, loosen the sand and fix the tee in the soil. Step 2: Put the level auxiliary corrector on the top of the tee. Step 3: Adjust the position of the bubble of the level auxiliary corrector. Step 4: Take off the level auxiliary corrector and put on the golf ball. Step 5: Go to about five yards behind the tee, observe its interaction with the fairway, and then hit the ball. 2 x Golf Tees 1 x Level Auxiliary Corrector 1 x Plastic Bag