The 1-1/2" (38 mm) diameter satisfies ADA §609

800 sheets of tissue

Each of the chrome-plated ABS plastic spindles can accommodate one roll of toilet tissue that is up to 5-1/2 inches in diameter

a push lever is provided in the front of the unit

ASI 04692AC-9 Automatic Combination Commercial Paper Towel Dispenser/Waste Receptacle, Surface-Mounted, Stainless Steel Length-30" The 1-1/2" (38 mm) diameterThe ASI 04692AC 9 Paper Towel Dispenser and Waste Receptacle allows you to offer paper towels and a place to dispose of them in one convenient unit, which can help reduce messes in your commercial restroom facilities. Designed for surface mounting, the unit measures 17 3 4 inches in length by 56 inches in height and extends from the wall by 10 inches once installed. The paper towel dispenser holds rolls of paper towels that measure 8 inches in