Stainless steel weights with 5/16"-24 threads, machined groves indicate weight for an easy reference. Knurled ring provides a better grip and available in 2,3, and 4 ounces. Modular weight system for Revel stabiliser all weights are 1" diameter. Lengths: 2 oz = 0.6" 3 oz = 0.9" 4 oz = 1.2" Made in the USA
