Positive Load Holding In All Environments. Double Interlocking Pawl Mechanism assures one pawl is always engaged with the ratchet during lifting of lowering operations. Swivel Hooks - 360 degree swiveling hooks are equipped with latches for positive load engagements. Corrosion Resistant. Free Chain Mechanism - Allows Easy Positioning and Set-Up. Capacity: 4000. Lift (ft.): 5. Hook to Hook (Min.): 17 1/4. Handle Length: 20 1/2.