DBI-SALA Protecta Welding Positioning Harness w/ Tongue Buckles* The heat resistant and flame retardant webbing of this welding harness is a strong modacrylic over Kelvar fiber that provides durability and a 700 degree Fahrenheit char temperature. * The included Side hip D rings are ideal for positioning on the job, meaning to hold you while you work. * A back D ring provides a safe connection point for your fall arrest system and keeps you upright after a fall for added safety. * This harness uses metal to metal