Outak 5 Oz Certified Test Weight with Deluxe Case for Pinewood Derby Car or Scale

Have you been looking for a test weight to verify that your Pinewood Derby or Awana car is the correct weight? These were custom produced for SCALES USA. By ordering a huge quantity directly from the manufacturer, We were able to get a big price reduction from the original dealer cost . We also include a manufacturers certificate with each weight (Not a NIST Certificate). These are good looking weights, nice smooth finish and shiny nickle chrome plating. They are stamped 5 OZ on the top. The weight has a adjustment cavity in the bottom, and has been adjusted to the tolerance described. The cavity is sealed with a tamper proof seal. These are great to check your scale so that the weight of your Pinewood car is "right on". Here's What you will get: Weight (approx 1-5/8 H X 1 in Dia) Manufacturers certificate of accuracy Specification: Height(in): 1-5/8 Diameter(in): 1 Weight of Mass: 5 oz Material: Iron Density: 8.4 g/cm3 Cladding Material: Ni + Cr Weight Accuracy: +/- 0.00021 OZ typical