400 is a bit too much I reckon. I usually do 120, 240 and 320. Once I get there, I give a light coat of cellulose sanding sealer and let that dry, before scrubbing with 0000 wire wool. Then a coat of white diamond buffing compoung on a buffing wheel. After that, a coat of oil, let that dry overnight, one of beeswax. Let that dry, buff off and a final coat of oil. The bat is now oiled and ready to knock in as well, and you get a nice mirror shine to it!