Stainless steel threaded nipple

3 size lengths available...

1 inch  (25mm)   (suit boiler walls)  $4.50

1.5" (40mm)    suit some cooler/esky walls $4.75

and 2"  (50mm)   (suit cooler /esky walls $5.50

The 1 inch size is suitable for attaching a ball valve tap and fittings through a thinner boiler wall

The 1.5 and 2" are suitable for connecting a ball valve tap through an esky/cooler  wall.