To use this lead weight, simply attach it to your kart using the two pre - drilled holes and the appropriate bolts. Make sure the weight is securely fastened before using the kart. When handling the weight, be careful as it's heavy. To maintain it, keep it in a dry place to prevent rust. If you notice any damage, don't use it until it's inspected. Remember, because of its weight, there's a small shipping fee per piece, and expedited shipping may cost more than shown at checkout.