The BF157 90° Offset Door Pulls are recommended for ADA openings and feature back-to-back and concealed mounting options. Our BF156 is readily available to configure and order online on our Accessories WebShop. Product Overview Features Recommended for ADA openings US32316, US32D316 finishes offer superior corrosion resistance for withstanding harsh environments Benefits Barrier-free US32316, US32D316 finishes ideal for use in coastal, high salt level, urban, and industrial areas, and environments exposed to alkalis and acids Specifications End Shape: Bent Grip Shape: Round Base Material: Aluminum, Brass, Bronze, Stainless steel Fastener: 1/4 - 20 x 2-1/4" thru bolt & finish washer Projection: 3 1/2" Offset: 4" Back to back mounting in pairs — use BTB suffix and mounting type number Concealed mounting single pulls — use C suffix and mounting type number Advise if door thickness is other than 1-3⁄4" Heavy duty versions of most fastening types available — use suffix HD to fastening type number Mounting selections for standard duty 1/4-20 can be viewed under Mounting Details on this site Part Number Material Size Center-To-Center Clearance Max Overall Size Weight BF156 1" dia 8" 2 1/2" 9" h 3.9 lbs BF157 1" dia 10" 2 1/2" 11" h 4.1 lbs BF157A 1" dia 9" 2 1/2" 10" h 4.3 lbs BF158 1" dia 12" 2 1/2" 13" h 4.8 lbs BF159 1" dia 18" 2 1/2" 19" h 6.5 lbs Mounting Types Our mounting systems firmly attach the pull to the door and are guaranteed for the life of the door. Choose from thrubolt, back to back or concealed mountings for wood, metal and glass doors. Note: Y base plates are recommended on wood or glass doors to make a stable and durable mounting. Note: Heavy Duty (HD) mounting features hex drive for positive tightening and large overall size for superior strength. Recommended for high frequency and rough service openings. Download Mounting Chart File: Mounting Chart.pdf Type Description PDF Type 1 Thru Bolt Wood or Metal Door Type 12 Decorative Thru Bolt – Wood or Metal Door Type 15 Decorative Thru Bolt Glass Door Type 16 Back-to-Back Wood or Metal Door Type 17 Surface Concealed Metal Door Type 18 Back-to-Back Glass Door