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. ★Black Big Pulley Specification Material: -Sheave: Aluminum -Side Plates: Aluminum Standard Finish: Anodized Color: Black Weight: 201g / 7.1oz Max.Rope Diameter: 13mm / 1/2in Mini Breaking Strength: 25kN Certification: CE EN12278 Notice: This pulley cannot be used on steel cable. ★Blue Micro Pulley Specification Material: -Sheave: Aluminum -Side Plates: Aluminum Standard Finish: Anodized Color: Blue Weight: 78g / 2.75oz Max.Rope Diameter: 12mm / 1/2in Mini Breaking Strength: 30kN Certification: CE EN12278 Notice: This pulley cannot be used on steel cable.