BEAL Joker Unicor 9.1 mm x 80 m Blue Gd Climbing RopeThe Beal Joker 9. 1mm Unicore Is The Ultimate Rope That Conforms To All Three Dynamic Rope Standards; Single, Half, Twin. The Joker Is Loved By The Most Extreme Climbers That Seek Light And Easy Running Lines. The More Avid Traditional Climbers Will Hold Tightly To The Joker For Its Multipurpose Abilities On Ridge And Face Routes, As Well As Mixed Ice And Snow. With Beals Unicore Technology, The Sheath And Core Are Permanently Bonded Together To