Never mentioned in the description. It has a 10mm NON-REMOVABLE BALL. It has a permanent fastener that protrudes at the back to keep the part behind the ball from lying flat. , I suppose the only solution would be to weld a ball, nice shiny stainless steel
Computer chair Metta SU-BP-8 Pl (SU-B-8 100/001) office, upholstery: mesh/textile, color: 20-Black
26 Review
π© YSLF Light Fixture Mounting Screws
3 Review
π High Precision 7.5mm Slotted Aluminum Piece: Durable and Accurate
3 Review
Armchair IKEA STRANDMON with headrest, 82 x 96 cm, upholstery: textile, color: dark gray
5 Review