Features: This product can easily solve the problem of window locking, suitable for various window types, safe and sturdy. Crafted from high-quality stainless steel, corrosion-resistant, sturdy, not easy to break, ensuring the safety and stability of window. The handle of this window opening tool adopts a rubber wrapped design, which is both antislip and provide you with a very comfortable grip. Suitable for household users, tenant, and property managers, especially for families with elderly and children. Suitable for home environment such as bedrooms, living room, kitchens, as well as public place such as offices and schools. Specifications: Material: Stainless Steel, Rubber Handle Inner Hook Size:Approx.150mm/5.91inches External Hook Size:Approx.170mm/6.69inches Assist Arm Size:Approx.150mm/5.91inches Package Includes: 3Pcs/Set Stainless Steel Window Opener Tool note: Please allow 1-3cm error due to manual measurement. please make sures you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.