DescriptionHate rust? Yeah, us too! That's why T nut bolts are made with marine grade stainless steel. Use them on your boat, dock, car or anything else. Not only will you have that bright shiny stainless look, it will last! No rust stains.Features- Color: Silver.- Material: Stainless Steel. - Size: 2.90X1.40X1.10 cm/ 1.14X0.55X0.43 inch. - Tongue bars are made of stainless steel, has a high strength and corrosion resistance.- Whether you are attaching a piling to a saltwater dock or securing a swing set, you can depend on carriage bolts to hold and last.- The bolt is also designed to be tightened from one side, so as to not move when loosening or tightening.- Carriage bolts are also an excellent choice for anti-theft bolts because they can only be removed from one side.- The heavy duty bolt is made of stainless steel, waterproof, abrasion resistant, corrosion resistant, never rust and durable.