Beal Spelenium Unicore 8.5 mm x 200 m Climbing RopeThe Unicore Process Bonds The Sheath To The Core To Prevent Sheath Slippage. Should The Sheath Get Torn Due To Abrasion, It Still Remains Glued To The Core Without Any Slippage. This Allows The User To Escape Either On Their Way Up Or Down. The Spelenium Unicore 8. 5mm Is Supple And Easy To Use. It Is Perfectly Adapted To Caving. Enhanced Safety As A Result Of The Unicore Process. The Beal Spelenium Unicore 8. 5 mm x 200 m climbing rope is engineered