JVCC ET-366 Filament Strapping Tape Dispenser has a metal frame and is for tape on a 3" core. Different dispenser sizes are available for 1", 2" ; and 3" ; wide tapes. The 2"; and 3" ; versions of the dispenser include a hinged blade guard. The maximum roll diameter the dispensers can hold is 5-1/2 inches. Metal construction. Please note the dispenser for tape up to 1"; wide ships in either chrome or beige depending on the last lot received. If not otherwise specified widths shown in dropdown are in inches. Technical Information Frame Construction: metal Blade: serrated.