To provide a deck brush capable of facilitating work even at the place of a narrow width and beautifully polishing all over the place without burdening the back by coping with a using person and any places.

The insertion bar 2 of a handle 1 is inserted to the insertion hole 4 of a handle 7 and handles 8, 9 and 10 are successively inserted by the knack. A metal fitting 15 where an insertion base 22 is put in is fitted to the tip of a handle 11, a screw 21 made to pass through the hole of a packing 20 is inserted to a hole 19 and tightened with a nut 12. Finally, a brush 17 is put in the lower part of the metal fitting 15, a hole 16 and a screw hole 18 are matched and it is tightened with a screw 13 made to pass through the hole of a packing 14 from the upper part of the hole 16.