Check the listing for details. Singing Rock Rope Access Kit with Footer-adjust Ascender Sling and Etrier. Condition: New. Listed at 40.95 USD. The Singing Rock Rope Access Kit Footer-Adjust Ascender Sling Etrier is a versatile and durable piece of equipment designed for use in rope access and climbing applications. This kit includes everything you need to safely and efficiently ascend and work at height.The foot ascender features an adjustable design, allowing you to easily customize the fit for your comfort and performance. The adjustable sling and etrier provide additional support and stability while climbing or working on ropes.This kit is made from high-quality materials that are built to withstand the rigors of repeated use in demanding environments. Whether you're a professional rope access technician or a recreational climber, the Singing Rock Rope Access Kit Footer-Adjust Ascender Sling Etrier is an essential tool for.