auto solder feeder wire dia.0.40.50.60.81.01.21.6 mm interval time 0~3.5s feeding speed 14s~35s automatic solder feeder Features1.Bk373 tin-feed equipment can combine with the following soldering station:936series,937A,BK-938,BK942, BK952, BK2000, BK3200, BK3500, HFH02,HFH04, HFH05.2.Please choose model of soldering station and Dia. Of solder wire when you purchase.3.Choose your lead pipe fit ...