An apparatus (60) for applying a dry film lubricant comprises a tool (62) and a pad (64). The tool (62) includes a handle (66), a cranked member (68) and a supporting member (70). The pad (64) is removably locatable on the supporting member (70). The supporting member (70) is oval in cross-section and the pad (64) includes an oval cross-section hollow member removably locatable on the supporting member (70). The supporting member (70) comprises locking means (78) to lock the pad (64) on the supporting member (70). The supporting member (70) comprises positioning means (80) to position the pad (64) on the supporting member (70). The tool (62) also has a shielding member (72) spaced from and arranged parallel to the supporting member (70). The handle (66) is arranged in a plane (A) substantially parallel to a plane (B) containing the supporting member (70) and to a plane (C) containing the shielding member (72). The pad (64) is substantially dovetail shape in cross-section to correspond to a rotor slot (40).