Multi-Functional: This Household 4 Way Utility Key has four (4) shapes that is functional and can be applied on any standard valve size use on water, electricity, gas meter box. Universal 4 Way Opening Key: This cross shape design is for universal opening key commonly use as practical wrench to turn tight or loosen screws. It works best on sill cock, cabinet, water meter key of same size and shape. Durable & Robust Construction: This multifunction 4-way utility key is durable and robust in construction. High precision that fit on standard and commonly used toolbox doors, electric doors, etc. Handy and Useful: This 4-way utility key is very handy and useful all in one tool. It is also suitable for use on plumbing applications, use for taps and stop cocks. Easy to store on toolbox or drawers. Warm Notice: This Household 4 Way Utility Key is widely used as universal meter door opening key or radiator keys. Please make sure to match the size before you buy. FREE SOL NOTEBOOK An exclusive SOL pocket-sized notebook is included, measuring 8.5cm x 12.5cm and with 40 lined pages!