Adjustable seat height Adjustable back height (ratchet) Adjustable seat and back angle Adjustable weight tension Optional adjustable arms Moulded seat and back foam Mega big boy seat 3 lever heavy duty ergonomic mechanism 700mm black nylon base Chair not available with drafting kit Available in Metro black only AFRDI tested to level 6 Minor assembly required Suitable for indoor use only 7 year warranty Weight limit is 140kg.