3/8 Grab Hook Bolt-On Mount with Complete Hardware for Installation | Grab Hook is Grade 70 rated at 6,600 lb. WLL (Working Load Limit) | Grab Hook is Welded On a 1/4" Thick Steel Plate | Entire Mount is Zinc Chromate Plated for Weather Protection | Every Mount Includes 1/2" x 1-1/2" Grade 8 Bolts with Washers and Nylon Lock Nut (See Picture)