No-touch hard roll towel dispenser allows you to adjust the sheet length to 9", 12" or 15", plus the ability to reduce the size of the second sheet. Set the number of seconds between uses with the Adjustable Time Delay. Low Battery Indicator keeps the guesswork out of battery changes. 1 3/4" hub. Towels Dispensers Type: Roll Towel Dispenser; Material(s): Plastic.