1.It suits for workshops that make automation welding.

2.There is a scraping dust ring in front cover and it is firm and durable that can avoid dust and splashed welding slag breaking cylinders. It is more reliable than dust helmet.

3.It fits the working environment where has strong magnetic field if it uses the sensor switch which is with strong magnet and ant strong magnetic field.

4.Inlet interface are optional on three sides; buffer adjustment and speed limit adjustment are builtin.

5.Various types of sensor switches are available.