Dlux 1/16", 2mm, 1/8", 1/4" Hub Spacers
Sold in sets of 2 which is enough for 2 wheels.
Works with 2.2 or 1.9, SLW or DH hubs.
Great for cars that need extra width such as the LCC or Bully or for adjusting the width less than the next hub size will give.
For Brass: Two of these weigh approximately 22.5g(0.8oz).