Typical uses include attaching or detaching small components or cables – for example nuts from bolts or TV aerials from their plugs. Diagonal pliers are specifically designed for cutting metal wiring – for example steel, copper or aluminium: hence the alternative name "wire cutters". Fundamentally, pliers are simple tools: squeeze on the handles to grip the target object between the clamps, leverage amplifies the pressure exerted by the user. Very specialist pliers may require additional refinements to your technique.http://www.workprotool.com/han....d-tools/holding-tool