8-13mm Wrench Socket Plumber Back Nut Kit Tap Installation Tool Bathroom Faucet. Including 8,9,10,11,12mm nut head and 13mm hex at the end of rod. Size: 8, 9, 10, 11, 12, 13mm. Easy to use and reach the hard-to-reach nut, Allows easy installation or removal of a sink reducer.
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