... PU/ steel chrome frame&arm/Aluminum chrome base Task chair *Swivel, adjustable,tilting function *Simple and comfortable. PU Aluminum Office Chair, Task chair KF730 Specifications ... Conponents: (all environmentally friendly and quality materials) a) Steel frame, Aluminumbase, in chrome poslished finishing b)High density ... : 30% deposit, balance before shipment. PU Aluminum Office Chair, Task chair F730