FPSZZ Valve type hot nozzle ,suitable for all kings of plastic ,the gate for the product is a small circle ,usually it is a concave surface of 0.3mm ,the gate is very beautiful. FPSZZ Valve type hot nozzle ,suitable for all kings of plastic ,the gate for the product is a small circle ,usually it is a concave surface of 0.3mm ,the gate is very beautiful. http://www.snakehotrunner.com/