Cork Stopper, function as a closure for bottles, vials, laboratory vessels and other openings, They are effective for both liquid and solid mediums and offer light weight, Length: 13mm, Top Diameter: 8 mm, Bottom Diameter: 5 mm, Stopper No.: no.00
Rubber Stopper, Color: Black, Stays pliable over a long period of time, For use with non-aggressive or concentrated solutions, Low sulfur content, Withstand temperatures from -25 to 70deg C, Approx. No. Per Lb: 16, Dimension: 34x27mm, Hole: 5mm, Size: 6.5