- Made from high-quality material with impact resistance, heat resistance and low temperature resistance. - Durable and easy to lock, effectively increasing the stability of the ladder. - Easy to install and convenient to use; a direct replacement for worn or broken parts. - Compact structure and fine workmanship; a practical accessory for any ladder. - Wide compatibility; suitable for single-sided straight ladders, step ladders, and multi-function ladders. Use scenarios - Home or workshop painting and maintenance: replace worn or damaged ladder components on a step ladder to restore reliable locking and enhance safety during wall painting, picture hanging, or light fixture changes. - Garage or workshop ceiling work: upgrade a straight ladder used for reaching higher shelves or ceiling fixtures, improving stability when extended or retracted. - Indoor/outdoor projects with multi-function ladders: install on multi-function ladders to ensure firm locking and safer use while tasks such as cleaning, gutter servicing, or overhead installations.