You'll certainly feel like a queen when you use this uncapper - no more manually having to uncap frames, which means lots of saved time for you! Constructed of 12 gauge stainless steel, this machine will uncap 9 frames per minute - about 60 hive bodies an hour! The gravity-slide feeder holds 4 frames and feeds them into the uncapper with clock-like precision. The uncapper also features stainless steel knives, channels, shafts, and crossbars. Requires steam or a hotwater source.