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Toilet Tank Bolt Nesting Spacer Set
A snap-off sprue of six stacking spacers (24 mm OD, 8.6 mm bore for 5/16 in / M8 tank-to-bowl bolts) in 3, 6 and 10 mm heights. Cone-nested ends keep any stack centred. They take up extra bolt length under the bowl nut when you fit a new tank on an old bowl, so you don't need a $20 universal bolt kit. Use them on the dry side only: the rubber tank gaskets still do the sealing.
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