... .Length:2m 4.Dia:50mm of subtens Acrylic octagonal rods with hole :• Availiable in various standards,colors and length.• Can be ... ,acrylic tubes (transparent,bubble,clear,color line,full colored etc.) Round rods,Half-rods,Straight Rods,Triangle Rods,Square Rods,Octogonal ... hydrocarbons. A chemical resistance chart is available upon request.• Picture:Round rods with hole of picture: