Doorlec Coupling 1-3/4" x 5/8" bore 4 Pins
LiftMaster Split Coupling (41B6299 / 41D8615)
Manaras Collar 5/8"
Manaras Steel Collar 0.375" ID
Micanan Collar 3/4" ID
LiftMaster Door Shaft Collar
Micanan Collar 1/2" ID
Micanan Flex Coupling Lovejoy 3J x 3/4"
Micanan Flex Coupling Lovejoy 3J x 3/8"
Coupler Love-Joy for Overhead Door