LOCKMASTER® Window Frame Opener

The Lockmaster Window Frame Opener is a specialized mechanical tool designed for professionally opening casement windows with wood, metal, or plastic frames. It is suitable for windows with conventional, non-locking turn handles and allows for precise opening without damaging the glass.

To use the tool, drill a hole with a diameter of at least 12.5 mm in the window frame using the included special wood drill bit. Then insert the tool and position the movable lever arm on the window handle. By operating the angled handle, the window handle can be moved into the open position.

After use, the drill holes can be covered again using the included plugs.

Product Features:

Suitable for casement windows with wood, metal, and plastic frames

Mechanical window opening without breaking the glass

Movable lever arm for operating the window handle

Required drill hole diameter: at least 12.5 mm

Plugs for covering the drill holes

Convenient storage bag for transport and storage

Package Contents:

1 × Lockmaster Window Frame Opener

1 × Special wood drill bit

12x Plugs in various colors

1 × Faux leather bag with zipper and adjustable carrying strap

Note: Not suitable for locked window handles. Use requires drilling a hole in the window frame.