Bronze Packing Box. NEW. Shaft Size: 1-1/4", Hose I.D. Size: 2” Packing Size: 1/4" Superior packing tension adjustment, via two pairs of 3/8”NC bronze nuts for ease of locking. No more fights with large wrenches of Nut Style Packing Boxes. Shaft Packing material is not included so boaters can select their own preferred choice of packing.