DLM produces different categories of technical caps: plugs, caps, lean protections, flange protections, quick-fit connector and component protections, nut stopper rings, automotive caps/plugs, paint masking plugs, other protections and our eco series. DLM srl’s experience in the hydraulic and oleo-pneumatic sectors began in 1985. Over the years we have become a reference partner in the creation and moulding of technical plugs and thread protectors.