This is a chrome plated nozzle tip used on the Hyper Gear, HTX, Mark III, and Optiplex. This is the "Rounded" shape,
Compatible with nozzle adaptor part number M501S0 for the original non-servo cutting
Compatible with nozzle adaptor part number M501S2 for the newer servo cutting head.
Reference: 46143304450, MZ368-4450CP, L943X