An extremely handy gadget/tool that no gardener should be without. It has a tough tungsten carbide tip for sharpening blades of garden tools such as secateurs, loppers, shears, etc. There is a handy storage well in the handle for storing oil (oil not included) and the green screw cap has a sponge attached to absorb the oil. This can removed from the handle and be used to wipe oil on the sharpened blade after use to help prevent rusting and can also be used to assist with sharpening tools. Overall length is just 13cm so is easy to carry and you will wish you had discovered one of these years ago. The simplest ideas are always the best. Only available for a limited time so once they are gone they are gone for good I'm afraid.