Check the listing for details. 5/8" OD 1/2" ID DIAMETER THIN WALL CLEAR ACRYLIC PLEXIGLASS TUBES 18" INCH LONG. Color: Clear, Condition: New. Listed at 9.97 USD. Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 You are buying 1 (ONE) NEW 5/8" DIAMETER by 18" LONG TUBE of CLEAR EXTRUDED ACRYLIC. (Five Eighths inch outside diameter by Eighteen inch long)These tubes have a 1/16" thick wall which provides an outside dimension (OD) of 5/8" and an inside dimension (ID) of 1/2". The picture shows several various size tubes for representation of our product but you are buying and will receive ONE 5/8" OD x 1/2" ID x 18" tube.To assure that you get the finest quality, the protective sleeve is kept in place on the rods while being cut to protect the acrylic. All tubes have saw cut edges on both ends. Please allow a tolerance of +/- 1/16" on all pieces. Normal 0 false false false EN-US X-NONE X-NONE