Patented time-saving concept that makes cleaning easy with new stainless steel head Perfectly made to ISO 7376 : 2009 internationally recognized specifications Fits all conventional blades made to this standard Allows immersion in cleaning solutions without removal of batteries Mildly knurled barrel provides perfect grip without risk of tearing anesthetist's gloves Competitively priced for highest standard of quality Available individually and in sets with wide range of blade sizes