Description

Solid blue ASTM neoprene stoppers (all Size Number 9) are topped with a 5-millimeter sized hole and measure 37 millimeters (3.7 centimeters) at bottom, 45 millimeters at top (4.5 centimeters), and 25 millimeters (2.5 centimeters) in length. Long lasting neoprene rubber construction is oil resistant and can be used in temperatures up to 250 degrees Fahrenheit (120 degrees Celsius). These stoppers are suitable for use with petroleum products, minerals, oils, and fats, as well as most inorganic acids and bases. Sold as pack of 10.