Pinit Rescue 42 Chain $119.00 Item #: CTC521 RESCUE 42 Qty -+ Add to Cart The Curtis DifferenceOur Commitment To You×DetailsDetails3/8″ x 20′, grade 70 with grab hooks at both ends, 6,600 lb working load. TeleCrib® combi-heads are designed with a 3/8″ chain slot to use with chain saddling techniques.