Thank you for viewing this product out of many others. This device can be used for both SRS and MRS, and is a multi-functional climbing gear that can be easily set in the middle of a rope. It has a mechanism that can be adjusted to ropes of different diameters, making it a small SRS climbing device that allows for the best performance according to your physique and weight. *Includes Japanese instruction manual, pouch, and carabiner. Please refrain from purchasing if you are sensitive to used items. No returns or exchanges. Please judge the condition of the product based on the photos. 【Specifications】 ■Usable rope diameter: 11.5～13mm ■Working load: 100kg～130kg (varies depending on the rope used) ■Weight: 261g *Please use ropes that have been tested and guaranteed for use with Rock Exotica.