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Minimizing rope drag and rack weight, Black Diamond's 10 mm (.4 in) Dynex Runners feature a dense weave that boosts durability while reducing bulk. LIGHTWEIGHT & STRONG: Constructed from high-tensile Dynex material that’s incredibly strong yet ultralight. Provides excellent strength-to-weight ratio for trad, alpine, or multi-pitch climbing. LOW-PROFILE WEBBING: At only 10mm wide, these runners reduce bulk and drag on gear placements and alpine racks. Ideal for extending placements, equalizing anchors, or slinging natural features. EXCEPTIONAL DURABILITY: Dynex fibers resist abrasion and moisture absorption better than traditional nylon. Maintains strength in wet or icy conditions for reliable performance in any environment. MULTIPLE LENGTH OPTIONS: Available in 30cm, 60cm, 120cm, and 240cm sizes for versatile rigging setups. Perfect for alpine draws, anchor building, or extending protection on wandering routes. ESSENTIAL CLIMBING GEAR: Trusted by climbers for its lightweight strength, low stretch, and dependable performance. A must-have sling for any serious trad, ice, or alpine climbing rack. ASIN B07CKGXZ5V Brand Name BLACK DIAMOND Unit Count 1.0 Count Model Number 105BD3800220000ALL1 Manufacturer Part Number 105BD3800220000ALL1