(Similar)4\" Door Threshold Ramp, Rise Height Rubber Threshold Ramps, Anti-Slip Doorway Ramps, Entry Ramps for Home, Wheelchairs, Scooters, Trolley, Curbs 4 inch is up for auction in Tools & Home Improvement. The current bid is $1.00, 99% below the $85.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.