The Hatchlift Door Lift Kit makes RV storage compartment access easy. This kit includes all the necessary hardware and gas springs for installation on most lightweight baggage doors. The Standard Door Lift Kit is designed for lightweight RV doors from 21" to 27" tall. The kit includes one 20" x 15-lb. spring (508mm x 088N), mounting plate with 3M tape, and all necessary hardware. It also includes an additional ball stud and quick-connect end fitting for installation under slide outs.• Fits lightweight RV compartment doors from 21" to 27" tall• Provides easy access to baggage / compartment doors on the outside of the RV• Strong, reliable Hatchlift Series Gas Spring helps to hold open and close the RV door• Includes all hardware, mounting blocks, gas spring, and instructions• Installation requires basic measuring and mechanical skills Includes one 20"" x 15-lb. spring, mounting plate with 3M tape, & hardware Also includes an additional ball stud & quick-connect end fitting Installation requires basic measuring & mechanical skills | Hatchlift Door Lift Kit, Standard