Hard Hat Tri-fold Tonneau Covers Tri-fold Cover Made Of A Rigid Base Covered By Foam-backed Convertible-top-style Material With Locking Cam-type Clamp Means No Tools Necessary For Installation And No Holes To Drill!allows Full Access To Truck Bedcomes Fully Assembled ΓÇö Installs In Less Than 2 Minutesas Easy As 1,2,3 To Operate! No Problems No Matter What The Weather May Be! Has The Security And Strength Of A Hard Cover! Rigid Base Covered By Foam-backed Convertible-top-style Material. Provides A Soft Touch To A Hard Cover. Install And/or Remove In Less Than 2 Minutes. Drive With Cover Open Or Closed. Fixed Components - Never Lose A Bow, End Rail Or Clamp.