"WardsSci000559"

Solid, 1-Hole, 2-Hole, and 3-Hole Stoppers in Assorted Sizes.

These foam plugs are designed to fit most test tubes and vials.

Each package contains 100 corks of assorted sizes in the range indicated.

Molded of heavy flint glass with thick top and base flange ground to ensure a tight seal.

XXXX Quality Corks have a fine grain and are ideal for use as tight-fitting stoppers.

One Pound of Two-Hole Rubber Stoppers in Various Sizes.

One Pound of Solid Rubber Stoppers in Various Sizes.

Size Top Diameter Bottom Diameter

Size 1 11.1 mm 8.3 mm

Size 2 12.7 mm 9.5 mm

Size 3 14.2 mm 10.7 mm

Size 4 15.8 mm 11.9 mm

Size 6 19.0 mm 14.6 mm

Size 20 41.2 mm 34.0 mm

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Superior Grade Rubber Offers Softness, Resiliency, and Durability.