Description If you are looking for a professional and affordable safety crescent lock, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is easy to use and bring you much convenience. Features - Color: White. - Material: Zinc alloy. - Size: 6.50X2.50X1.10cm/2.55X0.98X0.43inch. - Selected material, which can be safely and durably used for a long time. - This window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. - It can be installed on windows constructed of aluminum, wood and vinyl sash and frames. - Stable and practical, good performance, safe and durable, it will bring you a good experience. - Cost-effective, you can buy this practical product at an . Selected material, which can be safely and durably used for a long time. This window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. It can be installed on windows constructed of aluminum, wood and vinyl sash and frames. Stable and practical, good performance, safe and durable, it will bring you a good experience. Cost-effective, you can buy this practical product at an .