Zinc Galvanized Steel Quick Link with Threaded Nut for Chains, Ropes, Cables, Tie Downs

Size dimensions and specifications (link diameter x overall length) with link opening size, weights and capacities: 

1/8 x 1-1/2-inch: 1/4-inch opening - .5 oz each - Weight capacity rating: 44lbs

3/16 x 2-inch: 11/32-inch opening - .8 oz each - Weight capacity rating: 165lbs

1/4 x 2-1/2-inch: 3/8-inch opening - 1.2 oz each - Weight capacity rating: 220lbs

5/16 x 3-inch: 7/16-inch opening - 2.8 oz each - Weight capacity rating: 440lbs

3/8 x 3-1/4-inch: 1/2-inch opening - 4.3 oz each - Weight capacity rating: 550lbs

1/2 x 4-1/4-inch: 5/8-inch opening - 8 oz each - Weight capacity rating: 600lbs

5/8 x 6-inch: 3/4-inch opening - 20 oz each - Weight capacity rating: 720lbs