New Bostitch Miiifootkit 4 Flooring Miiifn Miiifs. For installing prefinished hadrwood flooring.New bostitch miiifootkit 4 flooring miiifn miiifs air tool accessories fits on the bostitch miiifs (stapler) or the miiifn (nailer). Rollers are adjustbale for 1/2 and 3/4 hardwood floor. This sales retail for over $95.00. Not to lose out on this. Check my feedback of over 15,000 pos.