Lovejoy 68514411749 Flex Cplg-3-Pc Jaw

1-5/8" Max Bore Diam, 3/8" x 3/16" Keyway Width x Depth, Flexible Coupling Hub 3.31" OD, 4-1/4" OAL, Sintered Iron, Order 2 Hubs & 1 Spider for Complete Coupling