Model Number: JC-018 Product Name: Chrome Armrest with PP pad Specs: Steel Tube 20mm Color: Chromed PASS BIFMA or NOT: Yes Usage: Mesh Chairs Description: Chrome Armrest with PP pad made by Steel tube, hole position is 55X55mm, on the top of the armrest with the PP pad, the material's thickness affects the quality. This armrest is fixed, not adjustable. Height=280mm, PP pad length=285mm.... https://www.cazenchairparts.com/chair-armrest/chrome-armrest/chrome-armrest-with-pp-pad.html