Driving tool

A driving tool for driving a fastener, comprising:

• a nose portion having an injection passage of the fastener;
• a drive mechanism configured to drive the fastener supplied to the injection passage;
• a trigger portion configured to actuate the drive mechanism;
• a movable member that is provided movably to take a first position where an operation of the trigger portion is enabled, and a second position where the operation of the trigger portion is disabled;
• and
• a contact arm that is provided slidably with respect to the nose portion and that is configured to move by being pressed against a workpiece, wherein
• the contact arm includes a first arm engageable with the movable member, a second arm that extends from the first arm in a driving direction and that is configured to abut against the workpiece, and a rotating portion configured to be rotatable,
• the second arm is configured to be movable relative to the first arm by rotating the rotating portion, and
• rotation of the rotating portion is restricted by a magnetic force.