Straumann dental surgical drillsDrill 1, short, Ø 2.2mm, l 33.0mm, SSArticle #: 044.210 Lot #: MG783Component # Number (on drill): LZ239Twist Drill PRO Ø4.2mm,long,41mm,SSArticle #: 044.255 Lot #: LV455Component Lot # (on drill): LF828 ARTG Number: 119314