A tool (802) adapted to be carried by a tool holder (160) provided in a robotic work tool (100), the tool (802) comprising a slit (801; 901) arranged to receive a pin (804) for attaching said tool (802) to said tool holder (160), wherein said tool (802) is movable such that the pin (804) may be displaced within the slit (801; 901) and wherein the slit is symmetrically located within the tool (802) with respect to at least one of the length and the width of the tool.