Faithfull FAIAS10Y Yellow Compound Aviation Snips Straight Cut 250mm (10in) 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: Straight. Length: 250mm (10in). Cutting Capacity: Sheet Steel: 1.2mm.