Image M-Series ARO Pneumatic Push-Loc Hose Barb Plug Jump to Section Product Options Related Products Product Options Part Number Body Size Length Maximum OD Hose ID Material M2B2 1/4" 2.09" (53.1 mm) 0.69" (17.5 mm) 1/4" Steel M2B3 1/4" 1.86" (47.1 mm) 0.56" (14.2 mm) 1/4" Steel Related Products Image M-Series ARO Pneumatic Automatic Standard Hose Barb Coupler Image M-Series ARO Pneumatic Manual Standard Hose Barb Coupler Image M-Series ARO Pneumatic Standard Hose Barb Plug