COMPLETE SIZE RANGE FOR TRAD CLIMBING: Includes sizes #4–13 to cover common crack shapes, constrictions, and varied granite and sandstone features. A foundational passive protection set for building reliable placements. LIGHTWEIGHT ALUMINUM HEADS: Forged from durable, lightweight aluminum that balances strength with sensitivity. Provides excellent feedback when setting each nut, improving placement confidence on lead. COLOR-CODED FOR FAST IDENTIFICATION: Each stopper is anodized to match its cable tag for quick size recognition on your harness. Helps streamline gear selection on wandering or technical pitches. DURABLE STEEL CABLES: Strong galvanized cables resist fraying and maintain shape through repeated use. Designed to withstand constant loading, cleaning, and repositioning on multi-pitch routes. VERSATILE PASSIVE PROTECTION: Works effectively in parallel cracks, flares, constrictions, and pockets. Ideal for trad leaders, guiding racks, alpine missions, and anyone needing secure, dependable protection.