specification: 14?0.23mm?1m?25m 16?0.21mm?1m?25m 14?0.21mm?1m?25m 16?0.23mm?3?100 14?0.23mm?3?100 16?0.21mm?3?100 14?0.21mm?3?100 16?0.23mm?4?100 14?0.23mm?4?100 16?0.21mm?4?100 14?0.2mm?4?100 18?0.21mm?1m?25m 16?0.23mm?1m?25m 18?0.21mm?3?100 18?0.21mm?4?100 20?0.21mm?1m?25m 20?0.21mm?3?100 20?0.21mm?4?100 22?0.21mm?1m?25m 22?0.21mm?3?100 22?0.21mm?4?25 22?0.21mm?4?25 quality is good dand price is lower than those of others. we enjiy high reputation in our area have never failed to meet obligation .