Features and Benefits:�The steel forming rolls on this Pittsburgh sheet metal machine are case hardened using matching cut gears and needle bearings throughout for years of use and abuse.�Running on 220 volt single phase power the Baileigh Industrial LF-20 is great for making Pittsburgh joints on sheet metal up to 20 gauge .�Using approximately 1" of material for each lock, the LF-20 has pocket depth ranges from 5/16" to 3/8", so material waste is kept to a minimum.�The LF-20 lock former machine from Baileigh Industrial also has other attachments available, each creating a unique joint.�These optional attachments are double seam, drive cleat, flange attachment, and right angle.HVAC shops demand a lot out of their equipment, so when Baileigh Industrial developed the LF-20 Pittsburgh machine, they knew it had to be able to last. The LF-20 Pittsburgh sheet metal machine is made from only the highest quality components which include an all steel forming head and hardened with ground shafts. This do it all is a must in any shop.