The handshield is needed in welding things to protect eyes and head of  the worker when both of his/her hands are free such as working on the tall buildings.

There are glass lenses to protect the eyes not to get hurt from the infared ray and ultra-violet ray.

It also provent the pieces of metal or steel from bouncing near the eyes.

• Durable, light weight full featured excellent for direct protection.
• Manufactured from non moisture-sensitive thermoplastic resins.
• Headgear protection upper chest throat, neck, face and eyes from  dangerous sparks, heat, spatter, slag & harmful IR/UV rays emitted  when welding.
• Equipped with headgear lock or cap mounting and all relevant lens;  a filter lens, a cover lens, a backing lens
• Straight shell impact resistance 2 inch x 4.1/4 inch flip front lens for  easy weld inspection
• Compliance: CE EN175, ANSI z87.1