Climb X 24 In X 12mm Dyneema. Climb X Slings come in a variety of sizes to fit your pro requirements. Precision computerized bar tacking, Dyneema material, and meticulous quality control, earns Climb X CE Certification to ensure maximum security. Our 24 Sling is ideal for reducing rope drag around corners and keeping your placement where you need it. At this price, you wont mind leaving it as tat either.