This is an Adjustable Stick-On Weight Set from Pine Car. FEATURES: The heavier your car, the faster it goes. Incremental weights allow you to adjust your car's weight. Remove portion of weight needed with a pliers. Attach to bottom of car using the included double stick tape. Carded packaging with instructions on the rear. YOU WILL RECEIVE: One Adjustable Stick-On Weight Set. REQUIRES: Pliers SPECS: Length: 3-7/8 (98mm) Width: 1-1/2 (38mm) Weight: 1oz (28g) per weight sdw 8/31/01 ir/kh updated tlc 6/12/12