Adjustable Window Stopper Lock Limiter Latch Wind Brace Stay Position Stopper Casement Window Sash Blocking LockDescription:Installation Steps 1. Remove The Inner Handle2. On The Upper Hole Position3. Handle Installation Through Screw4. Fixing Mark Of Strut Base5. Unscrew The Hole6. Fix It With ScrewsSpecifications:【Type】: 1pcs Limit Wind Hook, For Holding Open A Window.【Material】: Thicker Material, Not Afraid Of Strong Wind, High Hardness, Not Easy To Break, Integrated Body, Solid And Simple Structure, Anti-Rust, Anti-Corrosion, Nondeformable, Polishing Processed Surface, Top Grade Appearance, Durable To Use.【Function】: Ideal For Fixed The Position Of The Windows, Wind-Proof, To Control Window Open And Safety Silent Holders.【Installation】: Screw Fixing Type, Consist Of Hook And Eye Closure Lock, Come With Matched Mounting Screws, Easy To Use.Package Included:Wind Hook*1Chip*1Screw *1Notes:1. Due to diversified displays and lighting, product photographs may well vary barely from actual colors.2. The product size is manually measured, please enable 1-2cm difference, thanks to your understanding!