You are buying 2 (TWO) NEW 3/8" DIAMETER by 24" LONG THIN WALL TUBES of CLEAR EXTRUDED ACRYLIC. (Three Eighths inch outside diameter by Twenty Four inch long) These tubes have a 1/16" thick wall which provides an outside diameter (OD) of 3/8" and an inside diameter (ID) of 1/4". You are buying and will receive TWO 3/8" OD x 1/4" ID x 24" tubes. To assure that you get the finest quality, the protective sleeve is kept in place on the tubes while being cut to protect the acrylic. All tubes have saw cut edges on both ends. Saw cutting can cause micro chips on the ends of the tube as seen in the pictures. Please allow a length tolerance of +/- 1/16" on all pieces. Please note that the industry standard for width tolerance is +/-0.015"