the retractable rope gate can be extended up to 6m and automatically rolls back when gate get opened. so it is safety and convenient to use the retractable rope gate for gate opening or closing without contacting the polywire, polyrope or polytape. the inside spring of the retractable rope gate is made of stainless steel, and the hook of the gate handle is also made of stainless steel.  the stainless steel materials will make the retractable rope gate is more durable and good conductivity. accessories included, such as mounting part, metal support and nuts.