Markussens Boss S/S Spring Hook S5S

The Markussens Boss S/S Spring Hook S5S is a premium marine-grade stainless steel hook designed for demanding rigging and deck applications, particularly suited to the harsh Irish marine environment. With a Working Load Limit (WLL) of 1.00 tonne, this spring hook offers secure, reliable performance for lifting, tensioning or mooring fixtures where corrosion resistance and durability are critical.

Crafted from high-quality stainless steel, the Boss S5S is engineered to withstand repeated exposure to salt spray, changing temperatures and the vibrations of marine vessels. It’s ideal for Irish vessel operators seeking hardware that can deliver long service life while helping reduce maintenance and replacement costs. The established Markussens “BOSS” series is designed with commercial marine use in mind, ensuring that each component meets real operational demands.

Features

• Manufactured in marine-grade stainless steel, offering excellent resistance to saltwater corrosion and marine environments.
• Compact dimensions (27 mm “A” dimension) suit rigging with tighter space constraints and reduce weight overhead. Spring-hook mechanism allows for quick engagement/disengagement, improving efficiency for deck operations.
• Detailing ensures reliable connection under dynamic loads experienced on Irish coastal/ offshore workboats.
• Clear load marking simplifies inventory management and compliance with rigging safety protocols.
• Suitable for mooring lines, tension wires, hauling gear and general deck fixtures, making it a versatile addition to rigging systems.
• Low-maintenance finish helps minimise downtime and parts replacement in harsh marine environments.

Specifications

• Working Load Limit (WLL) 1.00 tonne
• A: (mm) 27 mm
• B: (mm) 66 mm
• C: (mm) 111 mm
• D: (mm) 23 mm
• E: (mm) 19 mm
• Weight: 0.5 kg