Factor 55 Orange UltraHook. The worlds safest winch hook and the one we use on our own trucks!!! .............................. Works with both Steel and Synthetic winch line............................... Made in USA .............................. U.S. Utility Patent No. 9,388,025 .............................. The industrys first winch hook with an integrated shackle pin mount .............................. Two methods of use: conventional hook opening, or shackle mount .............................. Shackle pin mount allows the safer practice of Closed System Winching .............................. Finger grip feature promotes proper Hook orientation .............................. Double locking safety clasp lock the safety clasp with the included clevis pin .............................. Latch lock clevis pin stored conveniently in hook body .............................. Integrated EPDM rubber pads for fairlead surface protection .............................. Max opening deformation clearly laser engraved .............................. Precision CNC machined 7000 series Military Grade Aluminum .............................. No rope splicing required a double shear pin design accepts rope/cable eyes .............................. Designed for both steel cables and synthetic winch ropes .............................. Foldable to stow rattle free against fairleads .............................. Shackle pin mounting hole accepts shackle pins (.875 diameter) .............................. For rope and cable diameters up to 3/8 .............................. 5/8 diameter 6AI-4V grade V titanium double shear pin .............................. Max Rated Load: 16,000 pounds .............................. Ultimate Strength Hook Throat Opening: 31,000 pounds .............................. Ultimate Strength Shackle Pin Mount: 48,000 pounds .............................. Weight: 32oz