An impact tool, which has a motor, a driving mechanism (120, 130, 140) that is driven by the motor and drives a tool accessory at least in an axial direction of the tool accessory, a body housing that houses the motor and the driving mechanism (120, 130, 140), and a handle, wherein part of the motor and part of the handle are disposed on an axis of the tool accessory, comprising an outer housing that is disposed to cover an outside of the body housing, an elastic element that is disposed between the body housing and the outer housing, wherein the outer housing is mounted to the body housing via the elastic element so as to be allowed to move with respect to the body housing in the axial direction of the tool accessory, the handle is integrally connected to the outer housing, the body housing has an exposed region in which at least part of a region of the body housing corresponding to at least one of the motor and the driving mechanism (120, 130, 140) is not covered by the outer housing, the driving mechanism (120, 130, 140) has a motion converting mechanism that converts rotation of the motor into linear motion, and the motion converting mechanism has a rotation transmitting mechanism that transmits rotation of the motor to a rotation axis of the motion converting mechanism, characterised in that part of the outer housing can be removed from the body housing and a region of the body housing other than the exposed region is exposed by removing said part of the outer housing, the outer housing has a first housing and a second housing formed separately from the first housing, and at least one of the first housing and the second housing is removably connected to the body housing, the body housing has a motion converting mechanism housing part that houses the motion converting mechanism and a rotation transmitting mechanism housing part that houses the rotation transmitting mechanism, the motion converting mechanism housing part has a vent passage that communicates an inside and an outside of the motion converting mechanism housing part, and an air filter that is disposed in the vent passage, the rotation transmitting mechanism housing part is exposed when the first housing is removed from the body housing, and the air filter is exposed when the second housing is removed from the body housing, and the handle is removably connected to at least one of the first housing and the second housing, and electric components (171, 173) relating to driving of the motor are exposed when the handle is removed from at least one of the first housing and the second housing. an outer housing that is disposed to cover an outside of the body housing, an elastic element that is disposed between the body housing and the outer housing, wherein the outer housing is mounted to the body housing via the elastic element so as to be allowed to move with respect to the body housing in the axial direction of the tool accessory, the handle is integrally connected to the outer housing, the body housing has an exposed region in which at least part of a region of the body housing corresponding to at least one of the motor and the driving mechanism (120, 130, 140) is not covered by the outer housing, the driving mechanism (120, 130, 140) has a motion converting mechanism that converts rotation of the motor into linear motion, and the motion converting mechanism has a rotation transmitting mechanism that transmits rotation of the motor to a rotation axis of the motion converting mechanism, characterised in that part of the outer housing can be removed from the body housing and a region of the body housing other than the exposed region is exposed by removing said part of the outer housing, the outer housing has a first housing and a second housing formed separately from the first housing, and at least one of the first housing and the second housing is removably connected to the body housing, the body housing has a motion converting mechanism housing part that houses the motion converting mechanism and a rotation transmitting mechanism housing part that houses the rotation transmitting mechanism, the motion converting mechanism housing part has a vent passage that communicates an inside and an outside of the motion converting mechanism housing part, and an air filter that is disposed in the vent passage, the rotation transmitting mechanism housing part is exposed when the first housing is removed from the body housing, and the air filter is exposed when the second housing is removed from the body housing, and the handle is removably connected to at least one of the first housing and the second housing, and electric components (171, 173) relating to driving of the motor are exposed when the handle is removed from at least one of the first housing and the second housing.