Sealey mig gas regulator kit one gauge regulator industrial sealey reg kit mo convert the small bore hosing normally 4mm od found on portable migs for use with industrial size gas regulators and cylinders order just the bull nose adaptor 120 432102 and hose ak9 or a complete kit including regulator reg kit mz or reg kit mo sealey reg kit mo mig gas regulator kit one gauge regulator industrial