4 Sizes: derby weights are in different size, including 4 x 1/2 ounce, 4 x 1/4 ounce, 3 x 1/8 ounce, 2 x 1/16 ounce, all tungstens are 3/8 inch in diameter cylinders; Multiple sizes make precise placement of weight in your car for speed
Safe to use: tungsten is child-safe, non-toxic for safe handling; And these cylinder weights are smooth cylinders without sharp edges, provide you with a safe experience
Hide or show weights: you can cover the weight holes with wood filler, sand or paint, keeping your speed secret safe, or just have them stick out the back looking like real exhaust pipes
Simple to install: tungsten weights cylinders are 3/8 inch in diameter (standard drill bit size), these cylinders will easily into your drill holes
What you will get: includes 13 pieces tungsten cubed weights in 4 different sizes, total weight 3.5 ounce; The density of tungsten is higher than other metals, which allows you to pack more weight in your car and gives more weight to have faster speeds on the track and finish line