... SPEC 11B, with the size range of 5/8, 3/4, 7/8, 1, 1-1/8. Paramater of coupling ... FS and SH coupling2)Coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"3) Weight: 0.41 ... 2(38.10)15/16(23.81)1.500×4.0000.56 3/4"1 5/8(41.28)1 1/16 ... (26.99)1.625×4.0000.60 7/8"1 13/16(46.04) ... /2(38.1)1 1/16(26.99)1.500×4.0000.47 7/8"1-5/8(41.3) ... 8(55.6)1 9/16(39.69)2.187×4.5000.81 If you are interested in our production, ...