3 Durable black stainless steel s-biner SlideLocks.
Features:

0.9" x 2.0" x 0.3" s-biner, 10 lb. weight rating

1.2" x 2.7" x 0.4" s-biner, 25 lb. weight rating

1.6" x 3.6" x 0.4" s-biner, 75 lb. weight rating
Sold as a set.