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:1. 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.2. No such thing as universal. There are always cases that just wont work well with the universal design, and funnels tip off and spill powder, or they just plain wont fit.3. Universal means that it has a hole meant for 22 caliber. So if you are trying to dump 90 grains into a big magnum, you are waiting a long time for the powder to fill.The Area 419 Funnel's interchangeable heads thread onto the funnel and are neck-diameter specific for each caliber. They do not rely on fitting over the body of the case to hold in place. They are sized slightly larger tha...