Heavy Duty Hook (S-Hook). This premium heavy duty hook has been designed tough and made from the highest quality materials. Product is backed by a no-hassle One Year Guarantee against defects. Quantity Included: 6 S-Hooks. Included: 6 S-Hooks. Dimensions: 3" Long x 1.5" Wide x 5/16 Inch Thick. Material: Zinc - Plated. Strength: Heavy Duty (410 lbs). Durable, ready to handle tough environments. One Year Guarantee against workmanship and defects.