Martin Sprocket & Gear Martin 1040M20-SUBASYUPC: 697950915586 | UNSPSC: 31163002 | GTIN:Couplings > Grid Couplings > Grid Coupling Cover & Grid KitsMartin Blue-Flex™ Sub-Assembly Cover Kit, For Use With: Blue-Flex™ 1040M Grid CouplingSpecs:Suitable For Use With: Blue-Flex™ 1040M Grid CouplingPackaging:Length: 6.125 inWidth: 6.375 inHeight: 3.75 inWeight: 1.43 lbCertifications/Standards:ANSI Specified | B29.1 - 1975Warranty:1 year