nisorpa 40" rubber speed bump 2-channel heavy duty cable protector ramp with 4 bolts 22000lbs load driveway modular traffic driveway speed humps for garage gravel roads asphalt concrete - 3.3 feet is up for auction in Tools & Home Improvement. The current bid is $1.50, 97% below the $55.97 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.