【Door Chain Lock】: Thickened and widened panel, thickened and thickened chain, increased security, more peace of mind against theft. 【Material】: Door security chain lock is made of stainless steel material, wear resistant, hard and durable, not easy to rust after long term use. 【Easy to Install】: Chain bolt lock for door, easy to install without drilling, very convenient. 【Suitable for Many Occasions】: Chain door guard lock is simple in style, suitable for various doors such as rental houses, hotels, balcony windows, and home doors. 【Exquisite Workmanship】: Security lock safety guard chain, high quality, professional manufacturing, stable performance and long service life. Specification: Material: Stainless steel Package Includes: 1x Door Chain Lock Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.