5 HSS-CO Sverlo 11mm Bosch 2608585901 is a 11mm-diameter of 11mm diameter made of high quality HSS (High-Speed ​​Steel) and cobalt. This tool is perfectly suitable for drying metal, plastic, ceramics and other solid materials, especially hard materials. This SVO, produced by Bosch, allows you to open proper and clean holes by working at high speed. The HSS-CO is perfectly resisted against high temperature and wear, which ensures that Sverloon is longevity and reliable. This tool on 11mm size is the perfect choice for both professional and home users and gives excellent results in hard materials.