MULTIPURPOSE -Our plastic stoppers are great for lab, class, industry, office, and daily use. They are suitable for workers, chemists, teachers, etc.WHAT YOU GET -The package comes with 50 (±2%) pcs test tube stoppers.The specification is below.Hole Inner Dia: 10mm/ 0.4-inchTop Dia: 12mm/ 0.47-inchBottom Dia: 11mm/ 0.43-inchWhole Length: 17mm/ 0.67-inchFit for: 12mm Dia. Test TubeRELIABLE MATERIAL -The test tube stoppers are made of plastic, which can withstand wear and corrosion, light and stable. Last for a long span.SPECIAL DESIGNED -Functional and good-looking design.Firm and light. Good sealing performance.KINDLY NOTE -Please confirm the product size first before purchasing.
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