Size 4 Black Rubber Stoppers (Count 4)# BLS-040-0 Prince Rubber
Four, black # 4 stoppers. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top.
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Diameter Top:
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1.00" / 25.4 mm
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Diameter Bottom:
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0.75" / 19.0 mm
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Height:
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1.00" / 25.4 mm
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Durometer:
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43 +/- 5
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Free Sulphur:
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0.05%
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To review the dimensions of all the stoppers, link bottom left under General Information
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