A. [Door accessory auxiliary device] Our replacement adapter kit is suitable for many types of pressure doors (10 mm), baby gates, pet gates, child safety gates with doors, etc. It can be used in most places, such as walls, stairs, etc. B. [Stable and safe] The surface of the nut is equipped with ABS anti - slip glue to increase friction and reduce wear on the wall surface. It is less likely to damage your walls and not prone to sliding. C. [Made of certain materials] It is made of strong metal materials, which are durable and can be reused. The rubber ends are firm, soft and transparent, which helps ensure sufficient friction to keep it in place while protecting the walls and stairs. D. [Easy to install] No tools are required, and no holes need to be drilled in the wall. Just turn the nut to create a reverse force on the wall, and the installation can be completed relatively quickly and easily. E. [Package contents] One set contains 4 replacement threaded rods for baby gates. Dimensions: M10, diameter 10 mm, length 100 mm.