Silverline 656636 Corrosion-Resistant 27 and 32 mm Back Nut Tap Spanner Silverline back nut tap spanner is corrosion-resistant, Made from zinc-plated steel with an easy-grip matt finish. For fitting back nuts to monobloc taps in restricted access areas. Includes tommy bar length of 150mm. The thickness of the spanner is 2.2mm Features: Corrosion-resistant, zinc-plated steel Double-ended For 27 & 32mm fittings For fitting back nuts to monobloc taps Includes tommy bar Specifications: Finish: Zinc-plated Thickness: 2.2mm Handle Primary Finish: Galvanised Method of Construction: Pressed carbon steel tube Package Includes: Silverline 656636 Back Nut Tap Spanner 27 and 32 mm with tommy bar