The unique ballpoint tip makes these ideal for tightening or removing socket head screws in awkward places. The wrenches will engage a screw head from any angle up to 20°. A set of nine wrenches with extension blade and screwdriver type handle are supplied in a compact plastic case. These ballpoint wrenches are available as a set of seven metric sizes, supplied in a plastic box, with extension blade and screwdriver type handle. Sizes available are 1.27, 1.5, 2, 2.5, 3, 4 and 5mm.