Double male with slots. 1.5" Unthreaded length with 3 large cutouts and 1.15" ID.
Designed to be used as a sound or crystal chamber.
All MHS parts should have the threads wiped clean and then lightly oiled or greased. We sell some
Synthetic Grease for this. Parts that get stuck because no oil/grease was used or that are damaged by the user trying to take them apart will not be warrantied.