Wide range of applications: can be used for automobiles, tractors, oil filters, glued joints, shower heads, fuel filters, jar openers, PVC fittings, bottles, faucets, water filters, sinks, taps Large wrench adjustable up to 150mm, small wrench adjustable up to 100mm The small wrench is ideal for removing nuts, bolts, caps, etc. that you cannot remove. Durable, non-slip rubber strap. The flexible strap conforms to any shape and works easily in confined spaces Simple and easy to use giving you the right amount of power with perfect pressure Warm Tips: The small strap wrench is not suitable for oil filter removal and large items such as drain hoses and water filters.