'The 3/8 Insulated Socket, 20 mm from KS Tools. KS Tools – Machine GmbH is one of the international leaders in home appliances tools and workshop facilities. The established in 1992, with seat in Hessischen hay Sen trunk has over 350 employees and world's 9 The Company. KS Tools is characterised by a high quality of the products, constant innovations, an attractive value for money as well as flexibility.The product range is the latest solutions to problems and intelligent tool for very demanding users. Up Against The quality of the products highest standard of quality. Modern production methods and running control the manufactured tools guarantee high operational safety and that the longevity of the product.