An impact tool work attachment configured to receive a handle assembly along a first axis, a prime mover being positioned in the handle assembly and having an output shaft rotatable about the first axis, wherein the work attachment comprises: an output drive supported in the work attachment for rotation about an output axis non-parallel to the first axis; a gear assembly positioned within the work attachment, the gear assembly having at least one spur gear and being operable to transfer torque from the prime mover about the first axis to the output drive about the output axis; and an impact mechanism having a hammer and an anvil, the hammer configured to be rotated by the prime mover and operable to periodically deliver an impact load to the anvil; wherein the output drive is rotated about the output axis under the influence of the impact load delivered to the anvil; wherein: the work attachment comprises an angle housing and an angle housing plate, the angle housing plate is removably coupled to the angle house with a plurality of fasteners; the at least one spur gear is rotatable about a spur gear axis which is non-parallel to the first axis; the angle housing is formed to include a first bore extending along the first axis, an output bore extending along the output axis and a spur gear bore extending along the spur gear axis; and the angle housing plate is formed to include (i) an output bore that is concentric with the output bore of the angle housing and (ii) a spur gear bore that is concentric with the spur gear bore of the angle housing; characterised in that the impact mechanism is positioned within the work attachment, and the hammer configured to be rotated about the output axis. an output drive supported in the work attachment for rotation about an output axis non-parallel to the first axis; a gear assembly positioned within the work attachment, the gear assembly having at least one spur gear and being operable to transfer torque from the prime mover about the first axis to the output drive about the output axis; and an impact mechanism having a hammer and an anvil, the hammer configured to be rotated by the prime mover and operable to periodically deliver an impact load to the anvil; wherein the output drive is rotated about the output axis under the influence of the impact load delivered to the anvil; wherein: the work attachment comprises an angle housing and an angle housing plate, the angle housing plate is removably coupled to the angle house with a plurality of fasteners; the at least one spur gear is rotatable about a spur gear axis which is non-parallel to the first axis; the angle housing is formed to include a first bore extending along the first axis, an output bore extending along the output axis and a spur gear bore extending along the spur gear axis; and the angle housing plate is formed to include (i) an output bore that is concentric with the output bore of the angle housing and (ii) a spur gear bore that is concentric with the spur gear bore of the angle housing; characterised in that the impact mechanism is positioned within the work attachment, and the hammer configured to be rotated about the output axis. the work attachment comprises an angle housing and an angle housing plate, the angle housing plate is removably coupled to the angle house with a plurality of fasteners; the at least one spur gear is rotatable about a spur gear axis which is non-parallel to the first axis; the angle housing is formed to include a first bore extending along the first axis, an output bore extending along the output axis and a spur gear bore extending along the spur gear axis; and the angle housing plate is formed to include (i) an output bore that is concentric with the output bore of the angle housing and (ii) a spur gear bore that is concentric with the spur gear bore of the angle housing; characterised in that the impact mechanism is positioned within the work attachment, and the hammer configured to be rotated about the output axis.