20mm (Three quarter inch) black steel fittings

Three 20mm (Three quarter inch) black steel fittings. These are 3/4 inch 20mm internal for 26mm external dimension plumbing pipe fittings and plumbing pipe lengths in Black Steel finish threaded as 3/4″ BSTP. Finish with Raw diluted Linseed Oil to make rubbed iron furniture and decorator components.

This is a pipe and fitting that is now referred to by a metric size name 20mm

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