Single Cavity Rifle Bullet Mould #457121PH 45 Caliber 475 Grain Whitworth by LYMAN Product Overview offers the Lyman Single Cavity Rifle Bullet Mould #457121PH 45 Caliber 475 Grain Whitworth. This mould is designed for Navy Arms Parker-Hale Whitworth rifles with 1/20" twists. This mould casts a nominal .456/.453" diameter in pure lead. All Lyman moulds require double cavity mould handles and even if it is a single cavity mould. This mould does not correlate to a top punch according to Lyman. THIS ITEM DOES NOT COME WITH HANDLES. You may purchase handles here.Click to shop Mould Handles