AREA 419 INTERCHANGEABLE FUNNEL HEADS CALIBER SPECIFIC This product listing is for a caliber specific funnel HEAD ONLY, no funnel or billet storage block included. The Area 419 billet aluminum powder funnel uses a system of interchangeable, caliber specific, heads to make it the ultimate funnel for reloaders available today. Universal plastic powder funnels have several issues that are solved with this system. Static cling, plastic is prone to being charged with static and kernels of powder will stick to the walls causing you to have to tap the funnel to get them all to fall. No such thing as universal. There are always cases tha Mfg: Area 419