1/2″ to 3/4″ L075 L-Jaw Flexible Coupling Set Buna-N Spider Log Splitter Coupler
1/2″ bore with 1/8″ keyway and set screw on one coupling half. 3/4″ bore with 3/16″ keyway and set screw on the matching coupling half. 【Design】The curved jaw hubs are press fit into NBR rubber insert to allow couplings to operate with zero backlash.