no. 2 oil painting brush(2号油画刷) no. 3 oil painting brush(3号油画刷) no. 4 oil painting brush(4号油画刷) no. 5 oil painting brush(5号油画刷) no. 6 oil painting brush(6号油画刷) no. 8 oil painting brush(8号油画刷) no. 9 oil painting brush(9号油画刷) no. 12 oil painting brush(12号油画刷) no. 1 black short handle oil painting brush(1号黑色短柄油画刷) no. 2 black short handle oil painting brush(2号黑色短柄油画刷) no. 3 black short handle oil painting brush(3号黑色短柄油画刷) no. 4 black short handle oil painting brush(4号黑色短柄油画刷) no. 5 black short handle oil painting brush(5号黑色短柄油画刷) no. 6 black short handle oil painting brush(6号黑色短柄油画刷) no. 7 black short handle oil painting brush(7号黑色短柄油画刷) no. 8 black short handle oil painting brush(8号黑色短柄油画刷) no. 1 black long handle oil painting brush(1号黑色长柄油画刷) no. 2 black long handle oil painting brush(2号黑色长柄油画刷) no. 3 black long handle oil painting brush(3号黑色长柄油画刷) no. 4 black long handle oil painting brush(4号黑色长柄油画刷) no. 5 black long handle oil painting brush(5号黑色长柄油画刷) no. 6 black long handle oil painting brush(6号黑色长柄油画刷) no. 7 black long handle oil painting brush(7号黑色长柄油画刷) no. 8 black long handle oil painting brush(8号黑色长柄油画刷)

as shown in the figure(如图)