Bolt Dropper hardware perfect for use near salt water, fresh water and other wood related projects. TOP QUALITY: Rated for both indoor and outdoor use. Superior corrosion resistance to regular plating, made with 100% Stainless Steel. VALUE:Get the most out of your purchase! We offer different size packages so you won’t have to worry about running out of hardware in the middle of your project. Bolt Dropper hardware is more corrosion resistant and stronger than other hardware meaning you can use fewer of them and you don’t have to worry about them breaking in extreme use conditions. SPECIFICATIONS: 1/4″ Inside Diameter, 5/8″ Outside Diameter Tensile Strength PSI: 100,000 – 125,000 Yield PSI: 55,000 – 75,000 Hardness: 100 Rockwell B Material: 18-8 (304) Stainless Steel WARRANTY:Bolt Dropper hardware come with a 100% Satisfaction Guarantee, if you have any problems we will replace them free of charge!