0 means no protection

 0 means no protection

 Prevent the risk of solid (accidental hand contact) over 50mm

 Prevent the danger of falling water vertically

Prevents the damage of solid from 12mm (finger size object)

 2 prevents the vertical direction from being 15 & deg; Direct water spray below the Angle

 Prevents the damage of solid from 2.5 mm (fine wire, etc.)

 It prevents the vertical direction of 60 & deg; Direct water spray below the Angle

 Prevent the damage of 1mm (thin wires, etc.)

 4 prevents direct water spraying from all directions

 The hazard of dust prevention

 5 prevents the hazard of low-pressure water injection from all directions

6 completely prevent dust damage

 6 prevents the hazards of water injection from all directions

 7 prevents the risk of immersion from 15cm to 1m

 It prevents the dangers of prolonged immersion under pressure