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Rubber Stoppers

  • Cork Borer With Plastic Handle, Set Of 6

      A cork borer, often used in a chemistry or biology laboratory, is a metal tool for cutting a hole in a cork or rubber stopper to insert glass tubing. Cork borers usually come in a set of nested sizes along with a solid pin for pushing the removed...

    $26.50
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  • Rubber Stopper, 1 Hole (Select Size)

    An excellent grade of rubber. Low sulfur content. Size numbers are molded into the top. Each piece has one hole at the center with diameter of approximately 3mm.Measurements:Top Diameter(mm) x Bottom Diameter(mm) x Length(mm). Note that each size has...

    $9.00
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  • Rubber Stopper, 2 Hole (Select Size)

    An excellent grade of rubber. Low sulfur content. Size numbers are molded into the top. Each piece has one hole at the center with diameter of approximately 3mm. Measurements:Top Diameter(mm) x Bottom Diameter(mm) x Length(mm). Note that each size...

    $4.75
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  • Rubber Stoppers, Solid(Select Size)

    An excellent grade of rubber. Low sulfur content. Size numbers are molded into the top. Each piece has one hole at the center with diameter of approximately 3mm. Measurements: Top Diameter(mm) x Bottom Diameter(mm) x Length(mm). Note that each size has...

    $6.00
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