DescriptionAre you looking for a professional, yet affordable balance bike screw cap? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional balance bike screw must meet you needs. It is one of the best choices for you.Features- Color: Black. - Size: 1.78 x 1.29 x 1.78 cm. - Material: Aluminum alloy. - Function: Mainly used for children's slide cars, balance car use, please confirm whether the specifications of the hub nut are M8 before purchase. - Effectively prevent locking and slipping, protect the frame, high strength and no rust! - Made of high grade aluminum alloy, durable in use. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!