Still looking for a good pulley? Try this one, quality pulley with reasonable price. Designed for mountaineering, caving, creating mechanical advantage, hauling... THREE YEARS GUARANTEE: This product is guaranteed for three years against any faults in materials or manufacture. Specification Material: -Sheave: Aluminum alloy -Plates: Aluminum alloy Standard Finish: Anodized Color: Blue / Green / Orange / Purple / Red Weight: 87g / 3.06oz Max.Rope Diameter: 13mm / 1/2 in Mini Breaking Strength: 20kN Certification: CE1019 EN12278 Notice: This pulley cannot be used on steel cable!