ECT carries the most extensive supply of locking well plugs and caps, Royer aluminum locking well caps, and keyed alike padlocks in the industry. Common styles include Torquer Plug all plastic orange locking plug, FlushLock flush fitting well plugs, Cherne® low profile yellow, Cherne® Monitor Well™ Locking Plugs, Morrison Bros. 678XA Series Test Well Plugs, EcoPlugs green locking well plugs, White J-Plugs and H-Caps, Vapor Extraction Plugs and Caps. Royer caps are in stock to secure 2" through 12" pipe. Our selection of keyed alike padlocks include the original 35mm Brass Dolphin locks, 40mm brass padlocks, MasterLock, Wilson Bohanan American made brass padlocks.