Abstract: An improved bucking tool construction 10 including a generally L-shaped main tool body unit 11 having opposite ends 22, 23, and a pair of replaceable impact surface units 12 removably disposed on the opposite ends 22, 23 of the tool body unit 11. The tool body unit 11 is fabricated with a material 21 which is softer than the material 32 from which the impact surface units 12 are fabricated.