Coupling d7.5-5*5 L50 d15*12 drive shaft of hand garden trimmer

Polymer coupling of the drive shaft of a hand garden electric trimmer. It is tightly packed onto the gearbox shaft (anchor) with a 7.5 hole, on the other side the shaft is inserted with a square end 5 * 5, length 50, outer diameters 15 * 12 mm