3/4", Stainless Steel Spring Snap, Ideal For Marine, Industrial & Agricultural Use, Excellent For Applications Involving Repeated Loading Or Fatigue, Superior Corrosion Resistance, Provides Greater Strength Than Comparable Zinc & Solid Brass Products, New Design Provides Greater Strength, Safe WLL 400 LB, Do Not Use For Overhead Lifting, Support Of Human Weight, Athletic Or Playground Equipment, For Safety Consult Manufacturer, Inspect Frequently, Boxed Loose.