In addition to their durability

The kit comes complete with four telescoping support tubes

overlap drain opening at least 1" on each edge

Next generation cutting compound that provides aggressive cutting action for P800 and finer sand scratches and light-heavy oxidation removal

and they are coated with anti-corrosive/ rust prevention blended steel to increase the tanks life

C.A. Technologies/C.A.T ECPC-R14 Electrocat round air cap with R14 9-2-cfm In addition to their durabilityShips factory direct shipping times can vary. Prop 65 Warning! This product can expose you to chemicals which are known to the State of California to cause cancer.