Wide diameter, solid stainless steel weights.
2 sizes available.
31.5mm x 6.35mm, threaded 1/4" UNC straight through.
31.5mm x 12.7mm, threaded 1/4" UNC straight through.
(Please note the 12.7mm weight is one solid weight with a groove around the middle. It is not two weights stacked on top of each other.)