This is the motor coupler for the AquaCraft Atlantic Harbor Tugboat.
Features: Rubber and brass construction
Includes: Motor Coupler with two 3x3mm set screws
Length: 30.3mm (1.19)
Diameter: 10mm (.39)
Accepts a 3mm (.12) shaft on one end, 3.2mm (1/8) on the other
Requires: Installing on motor shaft and driveshaft