Intermediate sleeve matching with the product GZB-S Ø20 Ø12 KD, we offer various digital services - the perfect complement for maximum efficiency, planning and process reliability. intermediate sleeves allow clamping of several different shank diameters with just one toolholder. The universal intermediate sleeves GZB-S are available in two versions: coolant proof, tested and with innovative peripheral coolant channels. And both can be used in the SCHUNK toolholder systems TENDO, TRIBOS, SINO-R and all standard hydraulic expansion toolholders.