Pinewood Derby Weights by Mills Crafts
10 piece weight set, approximately 2 ounces. These weights are zinc plated steel, not lead. Simply drill a 3/8 hole where desired and add as many as needed to get to desired weight limit. Secure with glue or tape. The weights are approximately 3/8" diameter by 9/16" long and weigh about 2 tenths of an ounce each.