Amazon.com: 10 Lengths - 1/2" OD x 1/4" ID x 6" INCH LONG CLEAR ACRYLIC PLEXIGLASS LUCITE TUBES - .50" Diameter - 12.7mm x 152.4mm : Industrial & Scientific
Amazon.com: 1" x 1" x 18" Long Square Clear Extruded Acrylic Plexiglass Lucite Rod - 25.4mm x 25.4mm Acrylic Bar : Industrial & Scientific