10PK Neoprene Stoppers, 1 Hole - ASTM - Size: #10.5 - 45mm Bottom, 53mm Top, 25mm Length
Pack of ten #10.5 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 45mm, and a top diameter measuring 53mm. 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.