the dispenser can accommodate two rolls of standard core toilet tissue that are up to 5-1/2 inches in diameter side by side

you insert the unit and the dispenser into the wall opening

you can convert the unit to hold folded towels with the Bobrick accessory model number 3944-52 or additional sizes of towel rolls with the Bobrick accessory model number 3974-50

Bradley 107-291 Cover Replacement Part

the hook projects from the wall by 2 inches

Brady Absorbent Sock, Universal, 12 gal, 4 ft, Cellulose - MS-412 Metal Toilet Partitions the dispenser can accommodate twoRe Form Multiwik SOCs are designed to mold around corners and conform to uneven surfaces while containing and absorbing liquids. They are wringable, incinerable, and not for use with aggressive acids or caustic solutions.