• SUS301 Constant Force Spring，Load 1.96lbs，ID0.44",OD 0.6",Total Length 20.98",EXTANDED Length 17.99",Material Wideness 0.5",Material Thickness 0.0059",Pack of 5 KWD 16.500
• SUS301 Constant Force Spring，Load 4.12 lbs，ID 0.73",OD 0.96",Total Length 29.02",EXTANDED Length 24.02",Material Wideness 0.63",Material Thickness 0.0098",Pack of 5 KWD 17.500