The welding shield - es 51 is a safety tool that assists in shielding the welders eyes from the intense heat and light of the weld. It has a large viewing surface and is composed of clear, strong plastic. Our offering is a comfortable headband that may be adjusted to accommodate any head size keeps the welding shield in place. It is widely used by the welder for shielding the user from the high heat, visual radiation, and sparks produced by arc welding machinery. Welding shield - es 51 is made of tinted or auto-darkening glass that has undergone special treatment.