Matco-Norca NG0536 GN1X36 40 NIPPLE GAL (5 PER CASE)Nipple Fitting Type Pre-Cut Size A 1 Inch Size B 1 Inch Overall Length 36 Inch Schedule 40 S End Connection Male Threaded x Male Threaded Material Steel Material Specification ASTM A53A53M Process Welded Finish Galvanized Applicable Standard ASTM A733, ASME B1.20.1, ANSI, NSF 61372, ISO 9001Lead-Free Imported Chinese