They are maintenance-free and can easily be installed by one person.
. Justrite 4ft Standard Recycled Plastic Parking Stop with Lag Bolt Hardware, Gray, Grey, CS4S-LG Our parking stops are molded in solid colors and never need painting. | Justrite 4ft Standard Recycled Plastic Parking Stop with Lag Bolt Hardware, Gray, Grey, CS4S-LG They will not chip or crack like concrete and are built to withstand abuse from gas, oil, salt, sunlight, and chemicals.Checkers™ recycled plastic parking stops replace unsightly, old, concrete parking stops and are made with 100% recycled solid plastic.