A surgical tool including an elongated housing having an outer diameter at a location adjacent the front end which can pass through a targeting tunnel of a targeting guide. The surgical tool also includes a first blade with a first cutting edge, a second blade with a second cutting edge, each blade being movably connected adjacent to a first end of an actuation mechanism in the elongated housing. The blades include an at-rest scissors position and a scalpel position. When in the at-rest position the width of the blades does not extend beyond an outer diameter of the elongated housing and when the blades are in a scalpel position, the blades extend beyond the outer diameter of the elongated housing.