Wooden training weapons last longer, are safer and serve you better when they are properly maintained. Jo and bokken should be sanded and oiled several times per year, depending upon usage and storage conditions. This conveniently sized Conditioning Kit contains all the materials you need to keep your training weapons in tip-top shape for two or more years. Kit contains 1 oz. woodworker's blend of tung and linseed oils; 3 application cloths; 3 sandpaper squares in grits 110, 150 and 220; 1 piece of steel wool size 000, and a simple instruction sheet.