Driver guides for use with fastener-driving tools and fastener-driving tools having such driver guides

A driver guide for use with a fastener-driving tool having a tool body, the driver guide comprising:

• a first guide member mounted to the tool body of the fastener driver guide;
• a second guide member;
• a mount device coupled to the first guide member and arranged and constructed to mount the second guide member to the first guide member,
• wherein a fastener guide channel is defined between the first guide member and the second guide member;
• and
• wherein the mount device is operable in at least three different modes while the mount device is coupled to the first guide member, the modes comprising:
• a first mode wherein the second guide member can be fixed in position relative to the first guide member;
• a second mode wherein the second guide member is movable relative to the first guide member within a limited range;
• and
• a third mode wherein the second guide member can be removed from the first guide member.