・Unopened, Unused Storage The first ISC Rope Wrench was released in 2013, unlocking the potential of fixed rope climbing and quickly establishing itself as the world's most popular SRT climbing system. The APEX builds on the performance characteristics of the original Rope Wrench by offering additional features and convenience, along with the unparalleled quality of ISC. The APEX builds on the performance characteristics of the original Rope Wrench by offering additional features and convenience, along with the unparalleled quality of ISC. The new ISC APEX is equipped with an adjustable cam, allowing users to select from multiple, clearly identifiable friction settings depending on the rope type and diameter. The spring-loaded cam can be adjusted in under 5 seconds. Simply press the spring-loaded button, open the side plate, and pull the spring-loaded cam out slightly. Rotate the cam to select a new setting, then release the cam and close the device! No tools are required, and there are no parts to drop! The new ISC APEX is equipped with a swing-open side frame for quick and easy mid-line attachment, even with gloves on. The push-button swing-open side frame features a double-locking closure system for added security and a "click" sound to confirm closure. The ISC APEX also allows users to change tethers without changing the friction setting. Technical Information Rope Diameter Range (mm) 11-13 (7/16 - 1/2") 4 friction settings (WLL) Working Load Limit (kg) 120 (WLL) Working Load Limit (lbs) 264 Finish Anodized Weight (grams) 177 Weight (oz) 6.2 Made in Wales (UK)