ROTHENBERGER RR8.0001 Tap Box Spanner, 3/4 x 1/2
This Rothenberger Tap Backnut Spanner fits most 1/2" and 3/4" backnuts. Zinc plated steel with holes for tommy bar if required.
This box spanner is designed to fit or remove half inch and three quarter inch radiator air valves, ideal for sectional radiators.