Marine grade stainless steel body and shackle. Salt spray tested making it ideal for coastal areas and wet environments, boats and beach huts. Suitable for indoor and outdoor use. Features a 4 lever lock mechanism. 4-Lever Lock Mechanism Stainless Steel Body Round Stainless Steel Shackle Suitable for Indoor & Outdoor Use 480+ Hrs Salt Spray Tested Rustproof 4-Lever Lock Mechanism Stainless Steel Body Round Stainless Steel Shackle Suitable for Indoor & Outdoor Use 480+ Hrs Salt Spray Tested Rustproof