Door closer

A door closer for use with a door assembly having a door mounted to a door frame, the door closer including:

• a first assembly including a first magnet mountable to a first portion of door assembly;
• a second assembly mountable to a second portion of a door assembly, wherein the first portion is movable relative to the second door assembly, wherein the second assembly includes:
• a second assembly frame;
• a second magnet mountable to the second assembly frame such that a closing force is created between the first magnet and the second magnet when the door is adjacent to a closed position;
• wherein the second assembly includes a second assembly mounting plate having an adjustment slot with two or more mounting positions for the second assembly frame, each mounting position being a different distance relative to the first magnet, such that a magnitude of the closing force is adjusted by the mounting position of the second assembly frame, wherein the second assembly mounting plate includes a first hole for receiving a fine adjustment fastener, the fine adjustment fastener of the second assembly being configured to apply a retaining force between the second assembly mounting plate and the second assembly frame, such that movement of the second assembly frame is inhibited by the retaining force.