No nails required; chrome plated; removal of sash not required for installation. Includes 2 springs.
Installs in seconds to allow repair of broken sash cords without removing sash. Includes 2 springs and 2 installation nails.
Hurricane tested protection for your home. The fastest and easiest system to board up your windows. No need to drill holes, nail boards, or ruin siding. Measure and cut wood to fit inside casing, slide on "Plylox" clips, push plywood into window casing, you're protected. To remove just remove tension from clip by hand. Reusable.