・ The SINGING TREE Rope Runner is a unique SRT climbing device that combines a rope wrench and rope clamp. It provides climbers with smooth braking control and a secure grip. ・ Ascent and descent with a single SRT device ・ Smooth descent with one hand ・ Easy mid-line attachment ・ Adjustable friction ・ Replaceable parts ・ Doesn't kink the line ・ Speed switching between ascent and descent Rope tolerance: 11-13mm EN 1891 rope Weight: 246g (8.67oz) [Condition] Used item with signs of use. Please check the images and only purchase if you understand the condition.