"All steel construction- the Original Footprint wrench grips the workpiece tighter as more pressure is exerted. Footprint 698. Length 9in. 225mm. Jaw opening 1/8in. - 2 1/2in. 3mm - 64mm. Display pack. Footprint Wrenches is an all purpose wrench, being used extensively in plumbing and general pipe work applications. The world famous Footprint wrench was invented by Footprint's founder Thomas R Ellin in 1875 and since then more than 15 million have been sold across the world. An invaluable addition to any tool kit for moving the immovable. They have served generations of Plumbers and the company still gets the occasional one returned for refurbishment which has obviously been inherited from a fathers or even a grandfathers toolkit. The Footprint wrench consists of two parts - one forged with a hook jaw at the end, and the other of pressed steel with carefully profiled teeth which lock onto the work pieces. The wrench is adjusted to various diameters by means of a bolt or an adjusting nut, depending upon thepattern type. The original 698 pattern has a forged handle with a screwdriver type end, suitable for a variety of applications. Buy 1987Z from Amazon Marketplace."