Hook closes automatically when a load is applied. Can be attached to both types of Half Links, Open Clevis Link, and Swivel.
Half Link sold separately.

The principle of a Self Locking Hook
WLL lbs @ DF 5:1 Part is marked with Stock Code No. Dimension in inch Weight each lbs
K P T H
3,600 7/8-8 C8-HLL-025-RC 5.35 1.34 .75 .94 1.76
5,680 10-8 C8-HLL-038-RC 6.54 1.77 .94 1.22 3.20
9,600 13-8 C8-HLL-050-RC 8.15 2.13 1.06 1.57 5.95
14,480 16-8 C8-HLL-062-RC 9.84 2.48 1.42 2.09 12.56
22,640 18/20-8 C8-HLL-075-RC 11.02 3.27 1.85 2.17 18.72
27,360 22-8 C8-HLL-088-RC 12.60 3.23 1.89 2.52 24.00
38,160 26-8 C8-HLL-100-RC 13.66 3.94 2.05 2.83 30.20