The Kosto CCK400 and CCK450 Vertical Lifelines are designed to provide secure, durable fall protection for workers operating at height. Made from 5/8" (16 mm) polyester rope, they are resistant to UV, abrasion, and mildew, ensuring long-lasting reliability in outdoor environments. Both models include braided terminations and an aluminum carabiner for safe, secure connections and are compatible exclusively with the Kosto CCK330 Rope Grab.

Key Features

Durable rope: 5/8" (16 mm) polyester engineered for strength and longevity.
Reliable connections: Braided terminations and aluminum carabiner reduce risk of disengagement.
Controlled elongation: Less than 5% stretch under load maintains fall arrest performance.
High tensile strength: Rated to 27 kN (6,000 lbs) for dependable anchorage.
Exclusive system: Certified for use only with the Kosto CCK330 Rope Grab.

Intended Use

These lifelines are intended for workers requiring vertical mobility with certified fall arrest protection. Their two length options make them adaptable to different jobsite conditions.

CCK400: Tall structures, industrial roofing, high-rise construction.

CCK450: Residential roofing, scaffolding, and compact worksites.

Product Specifications

Product Codes: CCK400 (100 ft / 30 m), CCK450 (50 ft / 15 m)
Material: 100% polyester rope
Diameter: 5/8" (16 mm)
Carabiner: Aluminum, triple action
Tensile Strength: 27 kN (6,000 lbs)
Elongation: < 5% under load
Capacity: 59–141 kg (130–310 lbs including equipment)
Termination: Braided ends

Certifications and Standards

CSA Z259.2.5-17 compliant
Meets ANSI Z359.15-2024 and ANSI A10.32-23
OSHA 1910 and OSHA 1926 Subpart M compliant
Fall arrest rated: Class A anchorage connector