the bumper extends 2-1/8 inches from the mounting surface

Bradley Mills Partition Stainless Steel Door Hardware Kit with Flat Hinge and Stike/Keeper

The Bobrick B-369 Recessed Paper Towel Dispenser and Waste Receptacle is designed for installation in wall surfaces that allow for 4 inches of space for the unit's semi-recessed cabinet and have a rough opening that is 12-5/8 inches in width by 26-5/8 inches in height

Bradley 113-006Np Pipe-1/2"Npt X 18-3/8"-Galv Replacement Part

Bobrick B-6806.99x30 (30 x 1.5) Restroom Grab Bar, 30"x1.5", Concealed Mounting Capacity-650 C-fold or 800 multi-fold towels the bumper extends 2-1/8 inchesADA Compliant Grab Bar For Commercial Restrooms 18 Straight Grab Bar With Concealed Snap Flange Mounting 18 Gauge Stainless Steel With Satin Finish 1 1 2 Diameter Bar With 1 1 2 Wall Clearance Concealed Mounting Hides Hardware For Clean Appearance Supports Up To 900 Lbs When Properly Installed Non Slip Peened Surface: Features a textured, slip resistant finish for a safer, more secure grip in wet or soapy conditions. How safe a grab bar truly is