VAIPI Pinewood Derby Weights 4.0 oz Incremental and Configurable 3/8 Inch Tungsten Weights for Pinewood Derby Cylinders Cars -16Pcs-

Multiple sizes:  including 4 x 1/2 ounce tungsten, 4 x 1/4 ounce, 2 x 3/16 ounce, 4 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.  Easy to install:  Tungsten weights cylinders are 3/8 inch in diameter (standard drill bit size), these cylinders will easily slide into your drill holes for a snug fit.      Usage: Our tungsten weights are designed for Pinewood racing car competitions, and with which, your car's potential energy will be built up thus to cause a faster speed and help you to win the competition Specifications:  Totally weights: 4 ounce  Diameter: 3/8 inches  5 Different sizes:  4 x 1/2 ounce 4 x 1/4 ounce, 2 x 3/16 ounce, 4 x 1/8 ounce, 2 x 1/16 ouncePackage includes: