166 Conduit Clips clamp onto corrugated conduits and tubing to secure. Nylon material resists corrosion and chemicals. Can also be used on C‑shaped DIN rails. 166 Couplers are used to join two same diameter corrugated conduits together, couplers feature a Snap‑On design for a quick, secure connection. Designed for easy removal with a small screwdriver. Suitable for use on all types of corrugated conduits, both fine and course pitch material.