Products... Property management Rubber Speed Bumps Quick, easy to use speed bumps. Rubber/Plastic Wheel Stops Rubber/Plastic wheel stops are installed just like concrete curbs. They are light enough to handle without special equipment, but heavy enough to remain solidly in place when held by two pins. Light Towers (Light Plants) Diesel powered, towable, height adjustable lights, with (4) 1000 Watt bulbs to brightly light up night-time construction work.