TemboTusk - Standard Side Pull SlideChoose from either a 14 gauge Steel Slide or 1 8" Aluminum Slide. The Aluminum slide is stronger than the steel slide and weighs about 33 percent less. There is a cost differance as Aluminum is more expensive than steel. (Click on the Slide Material drop down menu). Our Extreme Duty Flat Slides, uses top of the line, locking slide tracks. These are tough, rugged cargo slides. Outside Dimensions: 29. 75" wide x 19" deep (Foot print of slide). Inside