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Dual-Flush Button 48 To 38 mm Lid Bushing
Stepped reducer bushing that seats a 38 mm-thread dual-flush push button in a cistern lid bored for a 48 mm button: 38.6 mm bore, 47.6 mm sleeve with six crush ribs to 49 mm that centre it in the ceramic hole, 60 mm x 3 mm top flange the button bezel lands on. Four snap-off 2 mm spacer rings on the sprue (two 38.6 mm bore, two 49 mm bore) take up thread length so the retaining nut clamps tight instead of leaving the button wobbling or cracking the lid.
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