GROZ 44148 316 stainless steel pumps for use with combustible & Flammable media; built-in internal flame arrestor prevents flame flashback. Heavy-duty bonding & grounding wires prevent hazardous Static charge; wires are secured By locknut & Have heavy-duty alligator clips. Pump body made from 316 stainless steel with PTFE piston & PTFE sealing gasket. Delivers up to 60Ml (2 oz.) per Stroke; comes with 2” bung adapter. Recommended use: gasoline, diesel, kerosene, lacquer, thinners, acetone, benzene, naphtha, Urea, DEF, adblue etc; Do not use: hydrochloric acid, sulphuric acid etc.