Product Description Specifications Documentation P7 Hex Shaft, 1/2in across flats x 2in long made from 303 Stainless Steel with a #10-32 end tap.This shaft will work with any P7S or P7H gearbox. Hex: 1/2 in Length (From Face): 2 in Keyway: N/A End Tap: #10-32 Material: 303 Stainless Steel Click arrow in center of image to load and interact with it Your browser does not support iframes.