1/4" Body Size
Lincoln Series (L) couplers come standard with a buna seal and have a 1/4" body made of brass with steel components. The plugs are heat-treated and plated steel, with select plug sizes available in 303 stainless steel. These couplers interchange with all Lincoln series interchange couplers.
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Lincoln Sockets (Valved)
Lincoln Plugs (Unvalved)