DBI SALA 3101529 Nano Lok Arc Flash Quick Connect Self Retracting Lifeline schaefer ws 390 updated colors and lightweight hardware padding Size:20" HSS Retrofit updated colors and lightweight hardware padding Maximum worker capacity of 420lb more durable than ever Labels are enclosed behind a cover to protect important information that helps protect your workers Lightweight hardware reduces weight and fatigue Safety Features: kill switch and manual override controls promote increased operator safety and quick hazard response RFID equipped and capatible with inventory management system Quick activating speed sensing brake system