Light weight, easy to carry Small size doesn ' for t take up backpack space 2 types for your option: thin / thickness, choose your own zinc alloy, strong,, long for time serve Suitable for and installing the nut, closet pile, drain nut and flush for nut of the filter basket You can save for time and effort when changing the pipes in the bucket aerator or refrigerator, which is an excellent tool you must have, Manufacturer: NUEAYMS