Swivel Mechanism Typist Gas Spindle Polyurethane Seat Standard without Arms NO Option of Arms Black Nylon Glass Reinforced 640mm Dia. Base
Swivel & Tilt Mechanism with 1 Position Lock SA Gas Spindle Standard without Arms Tension Adjuster Black Nylon Glass Reinforced 630mm Dia. Base One Piece Plywood Shell
Foam on Seat: High Density Foam on Back: Medium Density
Integral Skin Polyurethane Seat Back-Rake Mechanism Eezy Lock Chrome Footring 5 Star Shift Nylon Base – 700mm on Glides
1 Lever Middle Pivot Synchro Mechanism with 5 Position Lock SA Gas Spindle Standard without Arms Tension Adjuster Black Nylon Glass Reinforced 700mm Dia. Spider Base Adjustable Lumbar Support Standard in Black Mesh Back – No colour option
Two Piece: Plywood Seat and Plastic Frame with Mesh Back Foam on Seat: High Density
Polypropylene Full Seat Eezy Lock Chrome Footring 5 Star Shift Nylon Base – 700mm on Glides Heavy Duty Swivel Plate