A demolition hammer is provided that may include a housing having a distal end, a power cell disposed in the housing, an end plate attached to the distal end of the housing, and a damper disposed in the housing between the power cell and the end plate, wherein the damper is spaced apart from the power cell by a gap. The damper may also support and align a plurality of wear plates interposed between the housing and power cell. The damper may have generally rectangular first portion having a planar upper surface and a planar lower surface generally parallel to the upper surface and a generally circular second portion extending from the lower surface, wherein the first portion and the section portion define a central through bore.