0.069 Wire Size 26.07 lbs/in Spring Rate 1.75 Free Length 0.5 OD Extension Spring 0.5 OD 0.069 Wire Size 1.75 Free Length 2.45 Extended Length E05000691750S Pack of 10 Inch 20.17 lbs Load Capacity 302 Stainless Steel 2.45 Extended Length