Headrest extension for Staples Aero Plus Office Chair

60 mm and 75 mm headrest extensions for the Staples Aero Plus office chair, for you guys that are a bit taller and want to lay back =)

You need 4ea M5x20 bolts, 2ea DIN 934 M5 nut, 8ea washers for m5.

Link to the chair:
https://www.staples.no/hoy-rygg/cbs/146876.html?Effort_Code=WW&Find_Number=146876&SearchEffort=14&PromoCode=400600999