The 1690/1790 Series narrow stile touch bar exit devices provide safe and reliable egress that is ideal for aluminum doors. Both series are certified ANSI/BHMA A156.3 Grade 1 products and boast a 10-year limited warranty. The 1790 Series rim device is typically used in applications where maintenance is a concern, since the rim device has fewer parts and pieces than other exit devices. This results in less maintenance and adjustment. The streamlined design has no openings for chains, reducing code infringements risks and offers increased building security by eliminating tampering and forced entry via coat hangers and other tools. The 1790 Series may also be used to retrofit a 2090 Series crossbar device.