RIGID Chase 28- in. LED Light Bar mounts feature UV and abrasion resistant polyester powder coat. The Surface mount is made from cast aluminum and fits 1.75 to 2- in. tubes. The horizontal surface mount kit is made from durable stainless steel and features over or under surface mounting options and is adjustable up to 15 degrees for an up or down tilt. Professional installation recommended. Own The Night with RIGID Chase Bar mounts for virtually any rear facing application.