As a professional high quality BangGuan® BG-LP-1 and BG-LP-2 Plastic Surface Injection Packers manufacture, you can rest assured to buy BG-LP-1 and BG-LP-2 Plastic Surface Injection Packers from our factory and we will offer you the best after-sale service and timely delivery. BG-LP-1 is a four-hole base. BG-LP-2 is an eight-hole base.