Heavy Duty coil springs ensure a lifetime of smooth operation.
For more information please go over to THE BEST POPPER ON THE MARKET JUST GOT BETTER! The DP3500 includes a mounting flange for easy installationAn Anti-scratch tip prevents damage to paint or body.Featured on several TV shows including Monster Garage, and Pimp My Ride AutoLoc kits deliver where all others fails. AutoLöc's New Adjustable Spring Loaded Door Poppers are guaranteed to pop open the heaviest and most stubborn of doors. Insist on the best, and insist on AutoLoc and you be glad you did.