10PK Neoprene Stoppers, 1 Hole - ASTM - Size: #00 - 10mm Bottom, 14mm Top, 25mm Length

Pack of ten #00 stoppers made of long lasting neoprene rubber. Blue color. Each stopper features one hole measuring 5mm in diameter. Manufactured according to sizes recommended by ASTM standards. Each stopper measures 25mm in length, has a base diameter measuring 10mm, and a top diameter measuring 14mm. The neoprene rubber construction is suitable for use with petroleum products, minerals, oils and fats, as well as most inorganic acids and bases. Resistant to temperatures ranging from -40 to 130°C.