The Russell 1/2 in Allen-socket pipe plug in Endura finish is a precision internal-wrenching NPT plug made from 6061-T6 aluminum. Sold in pairs, it provides a positive seal at maximum operating pressures and caps unused pipe-thread ports on oil pumps, fuel pumps and filters. The bright Endura finish complements Russell hose-end fittings for a cohesive look.
Russell Performance 1/2in Allen Socket Pipe Plug (Endura)