Trephines

Description	Outside Diameter	Type
3.75mm Trephine	4.6mm	SS
4.25mm Trephine	5.2mm	SS
5.25mm Trephine	6.2mm	SS
6.0mm Trephine	6.95mm	SS
7.0mm Trephine	7.95mm	SS
8.0mm Trephine	8.95mm	SS
10mm Trephine	11.0mm	SS