Attributes . - 5 x Caster - 1 x Base - 1 x Seat Post - 1 x Footring + Adjustable Knob - 1 x Mechanism - 1 x Seat - 1 x Backrest - 2 x Armrest - 2 x Arm Width Adjustment Knob + Washers - 2 x Arm Bracket - 1 x Backrest Post - 1 x Backrest / Ratchet Screw (8x10mm) - 3 x Mechanism Bracket Screw (8x20mm) + Washers - 1 x M5 Size Allen Wrench - 5 x Glide . Names