Faithfull Lightweight Aviation Tinsnips manufactured to a high specification which includes a safety locking latch, strong opening spring and slip guards for protection on each handle. Designed to cut up to 1. 2mm sheet steel, non-ferrous material, vinyls, plastic and rubber. Formed blades in satin finish are serrated to prevent sheet metal slipping. Specification Length 250mm (10in). Cutting Capacity Sheet Steel 1.2mm. These Faithfull Compound Aviation Snips have the following specification Cut Type Left. Length 250mm (10in). Cutting Capacity Sheet Steel 1.2mm.