A bone plate sized and shaped for fixation to a metacarpal includes a head extending from a first end to a second end and having first and second fixation element holes extending therethrough along first and second fixation element hole axes, wherein the first hole axis diverges from the second hole axis on a bone facing side of the plate, the head having a first notch on the first end centered on the central longitudinal axis, the first notch formed as a indentation on an outer wall of the bone plate sized and shaped to accommodate a collateral ligament when the plate is fixed to a metacarpal in a desired position and a shaft extending from the second end of the head to a third end along the central longitudinal axis, the shaft including an elongated fixation element hole elongated in a direction parallel to the central longitudinal axis.