Torklift TORK LIFT A7510 RV Trailer Camper Steps & Ladders Camper Bumper Basement Step Entry Step; Basement; Single Rear Door Basement /Bumper Step: 20 Inch Length x 6 Inch Width and 7.8 Inch Step Rise; 2-1/4 Inch Collapsed Height; Built In Step Tread; Self-Illuminating Glow Plates; Silver; Aluminum Step With Stainless Steel Hardware Ensures Safe Basement Model Truck Camper Access Works With All Truck Camper Bumpers. Quickly Folds Up And Down In Seconds For Quick Basement Door Access Accommodates Any Rear Door Position (Left, Right, Center). Glows For Up To 10 Hours Eliminates 14 Inch Vertical Gap Between Bumper And Entry Door On Basement Model Truck Campers