speedmax 40" rubber speed bumps 1 pack 2 channel heavy duty speed humps with 3 bolts 22000lbs load capacity cable protector ramps for asphalt concrete gravel traffic driveway speedmax <br><b>specifications:</b> <br>dimension: 40x12x 2.2" (each) <br>net weight: 27lbs <br>load capacity: 22000lbs (10 ton) for each <br> <br><b>package included:</b> <br>1 pack rubber speed bumps <br>3 installation bolts <br> <br><b>features:</b> <br>made of industrial-grade rubber. durable, solid and non-skip. greatly extend the products service life. <br>2-channel design on the bottom for cable protection and drainage. <br>high visibility safety color combination-black and bright yellow strips brings attention to the speed bump at night or low light environments. <br>the anti-slip suface designed can handle the stresses of high-traffic public areas. <br>equipted with 3 bolts, easy to mount and fasten speed bumps on gravel, asphalt and concrete roads etc. <br>those heavy duty speed bumps are widely used for hospital,conference, parking lots, warehouse, factories, workshop plant, concerts, hotels, stages, shopping mall, sport events, school, community, garage, construction site etc. and protect extension cords, pipe, power lines, hose & network cables for indoor and outdoor use. <br> <br><b>note:</b> <br>like other rubber made products, sometimes a little out odor may be present since these products are brand new. that odor will dissipate in few days to few weeks. we suggest you air them outdoors before placing them indoors.