They are maintenance-free and can easily be installed by one person.
Justrite 6 Compact Recycled Plastic Parking Stop with Lag Bolt Hardware, CS6C-L, Grey Checkers™ recycled plastic parking stops replace unsightly, old, concrete parking stops and are made with 100% recycled solid plastic.| Justrite 6 Compact Recycled Plastic Parking Stop with Lag Bolt Hardware, CS6C-L, Grey Our parking stops are molded in solid colors and never need painting.. They will not chip or crack like concrete and are built to withstand abuse from gas, oil, salt, sunlight, and chemicals.