Just wind the belt around the bottle cap, adjust the size of the rubber belt to an appropriate size and rotate it to quickly open or close the bottle cap. The scratch-free wrench not cause any damage or scratches to the object. Strong anti-slip function, silicone handle to enhance friction. Made of high quality materials, , light and portable. Very suitable for kitchen tanks, waist pipes, oil filters, bottles, water filtration systems, faucets, waist pipe fixing devices, garden hose connections, sinks and so on., Weight: 0.21164377152 Pounds, Manufacturer: Jaywool