FRANKLIN AZZI DESIGN worked in close collaboration with Italian PBA manufacturers, to design and produce its own door handle line. PBA is the Italian brand of finishes for architecture, and has become a worldwide name for all sorts of handles products. PBA is also the name for AISI 316L Stainless steel – the strongest and most elastic of steels – and for thermoplastic polyamide resin (6), the noblest of materials.