Stainless steel counterweights. This item is for 3/8-16 Female-Thread, available as 1.8″ OD or 3.0″ OD & 1.5″ Tall.
For the 0.5lb Weight: 1.8″ OD – Compatible with CDK700 & OTA Counterweight Brackets.
For the 3lb Weight: For 3/8-16 for Female-Thread, 3.0″ OD & 1.5″ tall (Compatible with CDK700 & OTA Counterweight Brackets)