1)Size (inch):(a)21"--32";(b)32"--51";(c)32"--63".
2) Loading (kg): ):(a)60;b)70;(c)80. 
3) Including a precision bubble of level to assure proper mounting angle
4) Safe and easy to install
5) Long lasting
6) All hardware included
8) Surface: polyester powder coating
9)Material:armor plate
Packing: Box