Designed for reliability and safety in harsh environments, including onshore and offshore oil and gas, mining, and petrochemical sites, Miller DuraSeal™ Self-Retracting Lifeline (SRL) incorporates sealed technology that prevents contaminant entry. Resulting IP69K certified design ensures brake system, power spring, and bearings are never exposed to debris, water, or chemicals. Overall weight reduces user fatigue, and rated capacity is 420 lb.