The toolbox is ideal for the ambitious hobby wrench and can from some! I would almost go so far as and recommend the sentence even for professional use, for fittings on the cylinder head (high torque> 70Nm) makes the tool - even with the small gun - problem- and consequences with! With the numerous extensions and joints can be virtually screws successful at the most inaccessible place. Sockets in SW 10 to SW 14 about there in two copies, one for 1/4 "and one 1/2" drive. So enjoy screws!