This is a Set of 2oz Bar Weights for Pinewood Derby Cars from Pine Car. The heavier your car, the faster it goes. Incremental weights allow you to adjust you car's weight, even on race day. Break off the amount of weights you need, using pliers. Attach weight to the bottom or countersink it under the car. Includes screws. Carded packaging with instructions on rear. One Set of 2oz Bar Weights for Pinewood Derby Cars. Pliers Length: 4-1/4" (108mm) Width: 1" (25mm) Weight: 2oz (56.7g) Pine Car has a full line of Pinewood Derby cars and accessories. sdw 9/7/01 ir/kh &