Kits Include: 4 x Eye Bolts, 4 x nuts, 4 x Heavy Duty Washer, 4 x Spring Washer; Stainless Material: Made of 304 Stainless Steel, anti-rust and durable; Load Capacity: Each eye bolt safety load is 110 lbs (50 kgs); Size: Ring outer diameter: 27 mm/1.06", Ring inner diameter: 17 mm/0.67", Ring wire diameter: 5 mm/0.19", thread size: M6 x 25 mm/0.24" x 1", washer size: 22 mm x 2 mm/0.87" x 0.08", nuts height: 5 mm/0.19"; Wide Use: Fastening ring, widely used in lifting machinery, metallurgical and mining equipment, port rail handling, electrical equipment; Moreover, perfect to secure on wooden board, Tire, swing chair;