... .CASE SIZES:1.5", 2", 2.5", 3.5", 4", 4.5", and 6", 8", 10",CASE MATERIAL:Steel case, ... steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring), type: snap on, roll ringTUBE&SOCKET: steel with ... and so on.MOVEMENT:Brass, stainless steelCONNECTION:1/8", 1/4", 1/2", 3/8", NPT, BSP or BSPT ... .CASE SIZES:1.5", 2", 2.5", 3.5", 4", 4.5", and 6", 8", 10",CASE MATERIAL:Steel case, ...