S SPRING O Automatic Rock-Crawling Main Lock Safety Hook - D-Mounting

Heavy-Duty Forged Steel
Precision-forged high-carbon steel construction ensures extreme durability and load-bearing capacity, ideal for off-road and industrial applications.
Quick-Release D-Mount Design
Patented fast-fixing mechanism allows instant one-handed operation, eliminating threading delays in high-pressure scenarios.
Anti-Vibration Locking System
Self-tightening spring core automatically compensates for rope/cable tension shifts during rock crawling or towing.
Corrosion-Resistant Zinc Alloy Coating
Electroplated 8-layer zinc-nickel alloy finish withstands saltwater, mud, and chemical exposure without oxidation.
Multi-Application Compatibility
Essential for recovery operations (winching/towing), construction rigging, marine anchoring, and overlanding gear security.
Engineered Speed Control
Helical groove design reduces descent speed by 40% compared to standard hooks for controlled load lowering.
Load-Tested Safety Assurance
Independently certified for 5,200 lbs dynamic load with triple-redundant locking points.
Bulk Purchase Advantage
Direct-from-factory pricing with no minimum order quantity—wholesale rates apply at any scale.