... BackrestBackward adjust angle (28°), turn forward and turn backward to add and lessen the power, the standard type ... adjustment armrest [height (95mm), angle, width, forward and backward].Caster size65mm wheel castors of molded polyamideMechanismOne control ... (Leather)↓EC02H-MFG(Mesh back, fabric seat)↓EC02H-MLG(Mesh back, leather seat)↓ Modern design ergonomic mesh office chair, hot selling product ...