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Sink Pop-Up Lift Rod Set-Screw Knob
This knob replaces a lost or cracked finial on the lift rod of a bathroom sink pop-up drain. It is 24 mm across and 33 mm tall, with a fluted grip. A 6.4 mm blind bore takes any plain or threaded lift rod from 3 to 6 mm, and a side M3 self-tapping set screw (2.6 mm pilot) clamps the rod against the far wall of the bore, so you don't need to know the rod's original size.
Sink Pop-Up Drain Clevis Strap
Replacement clevis strap for a bathroom sink pop-up drain — the flat perforated strap that links the faucet lift rod to the horizontal pivot rod and is the piece that snaps or goes missing when the stopper sticks open. The 88 x 14 x 20 mm part clamps lift rods up to 1/4 in (6.8 mm bore) with an M3 heat-set insert and set screw, and gives five 6.8 mm pivot-rod holes on a 10 mm pitch for 40 mm of stopper-travel adjustment.