Made from aluminum the MEC Powder Bushing is a nice reloading replacement part to have on hand especially for reloaders who run high-volume sessions. This bushing works with progressive and single-stage charge bars is competitively priced and comes in a wide range of sizes for different loads as well as most powders.MEC strives to surpass not only company but also customer standards. Even in a small powder bushing there is precision engineering and strict quality-control checks. Because MEC goes out of its way to please the company has become popular around the world.