ENHANCED SEAL - Ensures a secure, watertight seal for your 1' ball mounts, preventing leaks and protecting your valuable underwater photography equipment from water damage. SUPERIOR PROTECTION - Crafted from high-quality materials, these O-rings provide exceptional resistance to wear and tear, extending the lifespan of your Ikelite equipment. RELIABLE PERFORMANCE - Designed specifically for Ikelite 1' ball mounts, these O-rings guarantee a precise fit and consistent performance, even under high pressure conditions. COST-EFFECTIVE SOLUTION - This 10-pack provides a convenient and economical way to maintain your underwater photography gear, ensuring you always have a spare O-ring on hand.