Black Diamond 10.2mm climbing rope 60mBuilt for routes that dish out abuse, the BD 10. 2 is a bomber cord made for tying in on big routes. Featuring a beefy diameter with a 1X1 abrasion resistant sheath that can withstand the whippers and wear, this rope handles smoothly and comes with a middle marker that's easily identifiable. Coil it and toss it in the pack when it's time to go big.