- Anti-slip ergonomic grip for maximum comfort and control. The textured surface reduces fatigue even with damp hands and is suitable for left- or right-handed use. - Wide compatibility. Adjustable strap wrench fits diameters from 5 to 15 cm (2 to 5.9 in). Works with water purifier bottles including 10-inch and 20-inch models, membrane housings, sanitary fittings, and other cylindrical objects. Universal design eliminates the need for multiple wrenches, saving money and storage space. - Premium durable construction. Made from high-quality ABS plastic and a reinforced leather strap. Durable and impact-resistant materials provide long-lasting performance and can withstand significant torque for tough jobs. - Portable and user-friendly. Weighs 8.7 oz. Compact enough for a toolbox or bag. Lightweight design does not compromise strength and simple operation requires no special skills. Includes a belt length of 49 cm (19.3 in) for ample reach. - Use scenarios: - Replacing filters on 5–15 cm diameter housings in homes or offices. - Loosening tight or seized cylindrical components in sanitation or plumbing setups. - On-the-go maintenance of water purification systems during travel or field service.