BELMONT MR-290 Aluminum Oval Fold Frame SS-450SKU45400950829020OverviewScrew diameter: 4 .Pipe diameter 8 mmFeaturesAccessory Size450x350 mmAccessory Weight250 gAccessory OtherAluminum, Net: PVCBrandBELMONTUS $20.12 US $0 4540095082902Customer reviews and ratingsBe the first to write a review of this product!