Bifold Door Handle For Smart Aluminium Bi-folding Patio Doors Blackde Bi fold Flat Door Handle without Escutcheon Part of the Glide bi folding door hardware range, this sleek and robust bi fold door handle is a quality replacement handle suitable for Smart bi folding doors and many other aluminium bi folding door systems. Information Suitable for Smart bi folding doors Security tested to PAS 24 Quality manufactured to BS EN ISO 9001: 2015 Suitable for door panels up to 100kg and 1200mm wide* Available in black