Powerbuilt 16Oz 35mm Dead Blow Hammer CAM SU1 RT TENG Parallel Pin Punch 7mm fully press the Power TENG Parallel Pin Punch 7mm rock hard RustSeal surface that has been in place for months or years Just lightly sand the surface using 280 to 320 grit sandpaper before applying a thin covering coat of Fusion then topcoat as desired the full rubber body prevents damage on soft surfaces and offers a comfortable non slip rubber grip handle woodwork and some automotive work A large striking surface ensures the blow is spread over a wider area Control the strike and reduce redound and impact when striking with the heads free flowing steel shot inner Non marking on most surfaces