radiator PIPE fittings

1. blister plastic packing with paper card holder
2. size:3/8",1/2",3/4"
3. applied to mounting aluminum radiators

including:
1 pc brass air vent valve
1 pc brass end CAP

1 pc plastic key
2 pcs steel reducer plugs(DX)
2 pcs steel reducer plugs(SX)

2 pcs steel hooks