Made of top quality steel and designed for professional work. Ideal for professionals in the field of mechanics and repair of metal objects. Supporting gloves and ergonomic shape, make the work easy during many hours. The presence of 72 teeth, enables tightening even in the narrowest spaces. Professional product, for many years of work. The set contains cricket heads of dimensions: 5.5-6-7-8-9-10-11-12-13-14 mm,