Premium 316 Marine Grade Stainless Steel Key Ring - Heavy Duty Split Ring Keychain for Scuba Gear, BCD Attachment, Boat Keys & Outdoor Equipment (20mm x5 + 30mm x5) - Ideal for Diving, Sailing, Fishing & Adventure Activities

Type 316 stainless steel contains 2-3% molybdenum which increases corrosion resistance, improves resistance to pitting in chloride ion solutions and increases strength at high temperatures. Type 316 grade stainless steel is particularly effective in acidic environments. It is effective in protecting against corrosion caused by sulfuric, hydrochloric, acetic, formic, and tartaric acids, as well as acid sulfates and alkaline chlorides. Great for use in marine environments. Includes 2 sizes: (1)Outer Diameter: 20mm, inner diameter: ~16.4mm. Thickness: ~2.4mm. Weight: ~1.4 g/piece. (2)Outer Diameter: 30mm, inner diameter: ~24.7mm. Thickness: ~3.3mm. Weight: ~4.1 g/piece. A perfect solution for attaching gears onto your BCD Package includes: 5x 20mm 316 Stainless Steel Key Ring Split Ring 5x 30mm 316 Stainless Steel Key Ring Split Ring

Heavy Duty Split Ring High quality type 316 stainless steel. Corrosion-resistant, great for use in marine environments.

Glossy and Shiny Silver color, general and simple, can match with items of various colors

Two sizes included. Size 20mm - Outer Diameter 20mm, inner diameter ~16.4mm. Thickness ~2.4mm. Weight ~1.4 g/piece. Size 30mm - Outer Diameter 30mm, inner diameter~ 24.7mm. Thickness ~3.3mm. Weight ~4.1 g/piece.

Replace worn key ring keys links connectors. Package includes 5 pieces of 20mm 316 stainless steel split rings and 5 pieces of 30mm 316 stainless steel split rings.

Suitable for organizing your house keys, office key, car key, motorcycle key, boat key, scuba diving, hanging cards, dog/pet leash, jewelry making, arts & crafts projects, etc. Available in 6 sizes 20mm, 25mm, 30mm, Flat 25/20.5mm, Flat25/21mm, Flat 30mm.