An aiming device for bone fixation includes (a) a handle extending from a first end to a second end along a longitudinal axis, (b) a guide arm connected to the second end of the handle and having an opening extending therethrough, the guide arm being connected to a protection sleeve； and (c) a drill guide configured and dimensioned for insertion through the opening of the guide arm. The drill guide has first and second guide channels extending therethrough to guide an insertion of a guide wire into a bone. The drill guide is movable between a first position wherein the drill guide is axially and rotationally movable relative to the guide arm to a second position wherein the drill guide is axially and rotationally locked relative to the guide arm.
