The Von Duprin 88EO is a rim exit device with a wide stile crossbar. It mounts on the inside of a door and lets people leave by pushing the bar. It is made for exit-only openings and is field reversible. Von Duprin is an Allegion brand. Part 88EO US4 is the Wide Stile Crossbar, 48 Device, Exit Only, Less Trim, Hex Key Dogging, Field Reversible version in Satin Brass. Wide Stile Crossbar 48 Device Exit Only Less Trim Hex Key Dogging Field Reversible Finish US4 Satin Brass Grade 1 Part number 88EO US4 PRODUCT SPECS Manufacturer Von Duprin Commercial/Residential Light Duty Commercial Country of Origin United States Fire Rated No Grade Grade 1 Product Width (#) 36 Product Warranty 3 Year Warranty PRODUCT FINISH Finish US4 Finish Description Satin Brass TECHNICAL SPECS SKU 88EO US4 Series 88 Series Main Category Exit Devices Sub-Category 1 Exit Device Only Base Material Brass Cylinder Type Keyless Dogging Option Yes Dogging Type Hex Key Dogging Door Handing Non-handed Door Material Metal/Wood Door Range (Thickness) 1-3/4" - 1-3/4" Door Width Maximum (#) 42 Door Width Minimum (#) 42 Electronic No Function Exit Only Keyway Not Applicable Latch Throw (#) 0.75 Latch Description Dead Latch Minimum Stile (#) 4.75 Screw Pack Machine Screws Strike Description Roller Strike PRODUCT DIMENSIONS Projection (#) 4.75 PACKAGE DIMENSIONS Box Depth (#) 7.5 Box Height (#) 44 Box Weight (#) 11.5 Box Width (#) 5