CEKER 1/2inch NPT Plug Thread Male Pipe Plug Pipe Fittings Internal Hex Drive Countersunk Socket Plug Stainless Steel 3packs

1.Pipe Thread Size : 1/2" NPT Male,male pipe threads for connecting to female threaded pipes or fittings 2.Made from stainless steel,Silver anodized finish for durability, long last and strength;Countersunk Plug Pack of 3pcs 3.Male National Pipe Taper (NPT) threads for use with female threaded pipes;Hexagonal countersunk head for increased leverage and use with a wrench 4.It is a Silver tone internal Hex Head Pipe Connector that is for closing and terminating the end of a pipe;Reusable high performance npt thread tube hose fitting adaptors 5.Great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block