Auspex Scientific - The Exciting Science and Educational Store

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"Twistit" Rubber Stoppers

Size 3

Twist one of the rubber protrusions off and the solid stopper becomes a one-hole stopper! Twist the second off for a two-hold stopper.

Made of soft, resilient "white" natural rubber, with safe, convenient, countersunk 5 mm holes.

Size 3

Top Diameter 24 mm

Bottom Diameter 18 mm

Height 25 mm

5 stoppers per pack.

"Twistit" Rubber Stoppers - Size 3 10818$3.99