1" diameter AXLE, SOLID DELUXE FLEXPRUF STEEL, 38" LENGTH, 1" DIA, 2" STEPPED 3/4" ENDS, (1-3/8" THREAD LENGTH), 2 OFFSET 1/4" KEYWAYS Premium Flexpruf axles made of higher strength steel. 3/4-16 threads. Keyways are offset for stress relief and balance. Ends are drilled for cotter pins or safety wire. Zinc plated.