Rigid Industries Chase Lightbar w/ Surface Mount Kit. The Surface mount is made from cast aluminum and fits 1.75 to 2-inch 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. Specifications for Rigid Industries Chase Lightbar w/Surface Mount Kit: Manufacturer: Rigid Industries Light Type: Spot Package Contents: Rigid Industries Chase Lightbar w/Surface Mount Kit Rigid Industries 46599: Chase Lightbar w/ Surface Mount Kit