This Tap Back Nut Spanner grip Set is a set of 3 double ended tap back nut box spanners for quick assembly of tap back nuts on basins. The set comprises the following sizes: 8-9, 10-11, 12-13. Feature - Brand: Yardwe. - Color: Silver. - Material: Iron. - Size: About18.50X1.20X1.00cm/7.27X0.47X0.39in -Corrosion-resistant, metal. - Long reach for access in restricted areas. - For 8/9, 10/11, 12/13 mm fittings. - For fitting back nuts to mono-bloc taps. - This item is manufactured with premium material for durable and long-lasting use. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Packing list3 x Yardwe Water Tap Tool