Due to its compact size, it is particularly suitable for work in confined spaces. Despite this, it achieves a gripping capacity for pipes with a diameter of up to 1 ½ inches or 42 mm and for nuts up to a wrench opening of 36 mm. Knipex Waterpump Pliers 180mm The Knipex 87 01 180 Cobra with a length of 180 mm is one of the medium-sized models of Cobra water pump pliers from Knipex. The benefits of working with these water pump pliers are plain to see. They are compact, light and stable, can be positioned on the component quickly and are self-locking, e.g. on pipes and nuts. Due to its compact size, it is particularly suitable for work in confined spaces. Despite this, it achieves a gripping capacity for pipes with a diameter of up to 1 ½ inches or 42 mm and for nuts up to a wrench opening of 36 mm. For pipes, nuts, sleeves, for various kinds of components: the professional user applies the Knipex Cobra quickly and accurately with just one hand movement. The spring-loaded hinge bolt