25mL. Polymethylpentene cylinders are autoclavable. Withstand up to 120[degree]C continuous use or 170[degree]C for short periods. Graduated in 0.5mL increments. ISO 6706 certification. Not resistant to strong oxidizers, some hydrocarbons, and chlorinated solvents.
Test tube rack made of polished hardwood. The rack has six holes to hold test tubes upright and 6 drying pins to hold the test tubes inverted. The holes will accommodate test tubes up to 24mm in diameter.