this bar is designed to satisfy ADA accessibility requirements

See the 3701-12P — same length and finish

which leads to the dispenser valve housing

ASI 3701-24P Bobrick B-5806 Diameter 1-1/4" (32 mm) 1-1/4" (32 mm) Tubing gauge 18-gauge 18-gauge Material Type 304 stainless steel Type 304 stainless steel Finish Peened (non-slip) Peened (non-slip) Mounting system Concealed snap-flange (welded flange + snap cover) Concealed mounting Mounting hardware Not included (3900 series anchors sold separately) Not included ADA design compliance ✔ Designed for §609

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

ASI 74022-HBSM Toilet Tissue Holder - Double, Hooded - Bright Stainless Steel - Surface Mounted (ASI 39 Dry Wall Clamp & ASI R-009 Theft Resistant Spindles Not Included - Please Order Separately as Needed) Grip-Smooth this bar is designed toASI 74022 HBSM Toilet Tissue Holder Double, Hooded Bright Stainless Steel Surface Mounted (ASI 39 Dry Wall Clamp & ASI R 009 Theft Resistant Spindles Not Included Please Order Separately as Needed)