This kit raises the hopper so you can stack two disks. It not only doubles the capacity of the disks but it makes very fine adjustments possible. Most powders can be adjusted up or down .1 grain with different combinations of disks. Complete listing of combinations, 4 extra disks, screws and risers are included.
Specifications:

Type	Double Disk Powder Measure Kit
Caliber	All
Size	Adjusts Up Or Down .1 GR
Quantity	1
Weight	.48 lb
Function	Raises Powder Hopper
Compatible With	Lee Auto Disk/Lee Pro Auto Disk Powder Measure
Material	Nylon Disks
Includes	2 Disks/Screws
Capacity	Double
Media Capacity
Finish	Black
Grain
Media Type	Powder
Micrometer Type