Hungdao Bowling Ball Workout Tool Bowling Accessories with 3/4 and 3/5 Double Choice Replacement Blade for Thumb Fingers(Classic Blue)

What You Will Receive: you will receive 1 piece of bowling equipment, and 1 piece of replacement blade, easy for you to adjust your thumb and finger holes during your daily bowling. Proper Dimension for Using: original blade of our bowling ball workout tool is about 3/5 inch in diameter, and the replacement blade is about 3/4 inch in diameter, suitable size for you to use. Reliable Material: the bowling equipment is mainly made of aluminum, sturdy and strong, not easy to break or deform, the surface is anodized, not easy to drop paint, suitable for you to use for a long time. Easy to Carry: the bowling ball workout tool is easy to carry, you can put it in your bowling bag, also easy to use, so you don't have to run to the store to change your bowling hole. Ideal Gift: you can give our bowling equipment to bowling enthusiasts as a gift, letting them adjust the size and shape of the thumb hole according to their actual needs