Flexible stainless steel conduit,for protection of instrument wirings Flexible stainless steel conduit,for protection of instrument wirings Flexible stainless steel conduit,for protection of instrument wirings Flexible Metallic Conduit ( AT ) *Stainless steel strip (square locked or interlocked), very flexible *Corrosion Resistant *EMI Shielding *Most suitable for instrument wiring protections. Trade size: 1/4"~2" (square-locked)1/4"~2" (Interlocked)Flexible Stainless Steel Conduit: Type AT is an ultra-flexible, stainless steel conduit designed primarily for OEM applications. A typical application would be armouring in specialty sensing devices, or medical equipment, including fiber-optics.