FJÄLLBERGET Conference chair with casters, black stained ash veneer, Gunnared dark gray - IKEA
Amazon.com: IKEA Office Chair Wheels Replacement for Hardwood Floor and Carpet, 10mm Stem Size, 2.5" Roller blade Style, Replacement Rubber Chair Casters Set of 5 (Black/Clear) : Office Products
Amazon.com: Office Chair Wheels for IKEA Chairs ONLY | Soft Rubber Computer Chair Caster Wheels Protect Your Hardwood Floors Better Than Any Office Chair Mat, Set of 5 Desk Chair Wheels, No