Grips the shell for a firm fit in the press during reloading or priming operations. Will fit the Auto Prime and Auto Prime II. Size #7 Type Shell Holder Finish Silver Series AP Only Weight 0.04 lbs Caliber 30 Cal M1 Carbine/32 ACP/22 Hornet Function Holds Cases Includes Shell Holder Material Steel Quantity 1 Media Type Brass Shell Compatible With Auto Prime/Auto Prime II