The Master Series are slip-in transferable service body is a self-contained, mono-body capsule that is a universal fit for all full-size trucks. With our patented lock-down system, you can install or remove the body from your truck within few minutes if you need to switch vehicles, take your truck into be serviced or replace your truck.The Master has its own floor so all your tools or equipment will stay safe and secure. This is the perfect replacement for your truck cap, cargo van or camper shell.