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    What People Are Saying

    Good stopper
  • Al
  • 03/22/2014
  • Used it for the 250mL flask. Holes are wide enough for glass tubing.
    Good quality at a very affordable price
  • Juan Contreras
  • 11/06/2011
  • Good quality for a stopper and at an affordable price
    Rubber Stopper, #6-1/2, 2 hole
  • Anonymous
  • 09/07/2008
  • I could not believe it when a hardware store clerk told me just to buy solid stoppers and drill my own holes! Thank you for making this purchase easy.

    reward points

    Rubber stopper, # 6.5, 2-hole

    Ages 8+

    Item# CE-STOP06B

    $0.80 in_stock

    In Stock

    Order now to ship Tomorrow. Express shipping is available.
    Product Overview
    These # 6.5 rubber stoppers are 27-34 mm diameter with two 5 mm diameter holes.

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    Save big when you purchase at the quantity levels shown below!


    QUANTITY 1 - 2 3 - 9 10+
    PRICE $0.80 $0.72 $0.68
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    • Product Details

      Rubber stopper, # 6.5, 2-hole

      These # 6.5 rubber stoppers are 27-34 mm diameter with two 5 mm diameter holes. No. 6.5 rubber stoppers fit all 250 ml flasks, 500 ml Pyrex flasks, and 500 ml Florence flasks.

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