McMaster 4627K334 Medium Pressure Iron Pipe Fitting, Plug with External Square Drive, 3 4 NPT G612334071 Handling Industry Container Type Cartridge Handling Industry Container Type Cartridge NSF Rating H1 Food Grade Lubricant Container Cartridge Lubricant Base Mineral Oil Primary Additive Polymer Min Ergonomic Handle Handle Type Slip Resistant Bi Material Handle Color Black Item Plier Set ESD Safe No Tether Capable Tether Capable Includes 6 in Diagonal Cutting Plier Pressure Rating Medium Pressure Shape Cap and Plug Drive Style External Square Fitting Type Plug Fitting Connection NPT Male Pipe Size 3 4 Construction Solid Pressure Class 300 Body Shape Square Material Iron Maximum Pressure @ Temperature 400 psi @ 72° F Maximum Steam Pressure @ Temperature 300 psi @ 550° F Certification UL Listed Connects To Pipe Class 300 Material Steel For Pipe Material Steel For Pipe Schedule 80 For Use With Air Water Length 1 1 16" Specifications Met ASME B1