Size 4 Black Rubber Stoppers (Count 4)
$3.90
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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. Specifications: Size # 4 Diameter Top: 1.00" / 25.4 mm Diameter Bottom: 0.75" / 19.0 mm Height: 1.00" / 25.4 mm Durometer: 43 +/- 5 Free Sulfur: 0.05% To review the dimensions of all the stoppers
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