Forster Powder Funnel with Long Drop Tube Blue 11021. The momentum of the powder dropping down the tube results in a larger volume by weight so it's not necessary to compress the charge. The funnel works best with 4831 powder and other slow burning powders when full capacity loads are desired. Specifications for Forster Powder Funnel with Long Drop Tube: Manufacturer: Forster Color: Blue Quantity: 1 Package Contents: Forster Powder Funnel with Long Drop Tube Forster 11021: Powder Funnel with Long Drop Tube Blue