Redding Reloading Model 3 Powder Measure w/both chambers. The Model 3 measure gives the advantage of being able to chamber cases while filling eliminating the need for shuttling cases back and forth to a separate chamber. Plus it offers the ability to chamber cases simultaneously allowing for even faster powder measuring. For even more speed and convenience The Model 3 unit includes two chambers. Both chambers can be set to individual preferences or ordered as a set. For a full line of powder measures and other products manufactured by Redding Reloading visit our Redding page. Specifications for Redding Reloading Model 3 Powder Measure with both chambers: Manufacturer: Redding Reloading Additional Features: w/both chambers Package Contents: Redding Reloading Model 3 Powder Measure with both chambers Redding Reloading 3200: Model 3 Powder Measure w/both chambers