Used 1" diameter stainless steel propeller shaft from a sailboat $100. The shaft is 39-1/2" overall length. The distance from the coupling end of the shaft to the beginning of the taper at the prop end is 35-1/4". The shaft is grooved at both ends for 1/4" keys. Included with the shaft is a 1/4" stainless steel key for the coupler, and a 1/4" bronze key for the prop. A locking nut and king nut are also included.This item is located in Corpus Christi, Texas.