The Lee Auto-Disk Powder Measure Double Disk Kit raises the hopper of the Lee Pro Auto-Disk Powder Measure so reloaders can stack two disks. This not only doubles the capacity of the disks, but it makes very fine adjustments possible. Most powders can be adjusted +/-.1 grain with different combinations of disks. Complete listing of combinations, 4 extra disks, screws and risers are included. Specifications: - Powder Type: Smokeless Powder - Adjustment Type: .1 grain - Minimum Powder Charge: 28.8 Grains - Maximum Powder Charge: 42.2 Grains - Material: Plastic - Color: Black