To prevent the moving of the individual positions it is possible to Seperate the drilling shafts by laser- if needed -or to weld them Front to front. For sterilization reasons we offer to polish the flexible shaft Suitably for you. To make the accuracy of the assemblage easier it is technically Possible to polish round the outer diameter exactiy harmonizing to The depth of the stick-in. Our flexible shafts are made of high-grade steel wires for optical Reasons we are able to provide the flexible shafts electrically polished