The Doric DS177 chainwinder is Australia’s only restricted opening chainwinder. The fold away lever offers a smooth and reliable lever action combined with sleek contemporary styling and exceptional durability. The Polesium constructed body ensures the Doric DS177 chainwinder provides complete protection against corrosion. Featuring restricted opening the DS177 complies with new the new National Construction Code (NCC) requirements for window restriction. It is also able to be operated on windows up to 30kg and requires only 16 winds to open fully or close. The in-built spring back mechanism ensures the chain stays straight during travel for smoother operation. This product is available in a full range of powdercoat colours as well as an optional 304 stainless steel chain for extra protection against corrosion.