5 16 In Bolt On Grab Hook Mount With Backer Desertcart South Africa Mua Robbor Grab Hook 3 8 in Bolt on Grab Hook Grade 70 Forged Steel Tow BUYERS PRODUCTS, 5 16 in Overall Hook Size, 43, Weld On Grab Hook Mua Robbor Grab Hook 3 8 in Bolt on Grab Hook Grade 70 Forged Steel Tow Titan 5 16 Bolt On Grab Hook Hardware&Tools Online Store. Robbor 5 16 Bolt on Grab Hook with Backer Plate and Complete Hardware for Installation. Robbor Bolt on Grab Hook is Grade 70 rated at 4700 lb. WLL (Working Load Limit). Robbor Bolt on Grab Hook is Welded On a 1 4" Thick Steel Plate. Entire Bolt on Grab Hook Kit 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.