Optional Top Lip Extension Increase the usefulness of your SUITCASE® or TRIFOLD® Advantage Series ramp with the Top Lip Extension (TLE). This optional extension increases the standard 3" lip to become 9", allowing the ramp to clear the rear bumper of SUVs and vans. Easily attaches to standard lip. Patent pending.   Specifications Made of aluminum • Non-skid surface • Usable size 8 1/2" x 13 7/8" x 2 3/8" Weight (lbs.) 5 per set Weight capacity (lbs.) 500 For Wheelchairs & Scooters •