Feature●??【ACCURATE WEIGHT】Our tungsten weight is of 99.95% purity, which allows you to pack more weight in your car and gives more weight to have faster speeds on the track and finish line.●??【VARIED SIZES】Including 4x1/2oz, 4x1/4oz, 3x1/8oz, 2x1/16oz. (Presenting you with one 1.5oz Flexible Composite Weight) Multiple sizes make precise placement of weight in your car for speed.●??【SAFE QUALITY】Car Weights are non-toxic, safe to handle and have chamfered top & bottom so there are no sharp edges, its pretty nice for children to operate.●??【EASY INSTALL】The cylinder is 3/8 inch in diameter (standard drill bit size), you can just drill a hole, insert the weight and paste it in place to use.●??【PORTABLE】Each set comes in a handy, reusable clear plastic box for storage. Keep track of any tungsten weights for next wood car race. Good luck with the competition!Description