... CROSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC ... TEE, BOSS, COUPLING, HALF COUPLING, CAP, PLUG, BUSHING, UNION, SWAGE NIPPLE, BULL PLUG, REDUCER INSERT, PIPE NIPPLE ETC.SOCKET ... F91).SIZE OF RAW MATERIAL: DIA. 19-85MM ROUND BAR.5. MARKING:CARBON AND ALLOY STEEL: MARKED BY STAMPING ... (STAINLESS).7.PACKING :CARTON/WOODEN CASE. union