Extension Spring Utility Standard Steel Oil End Type Full Twist Loops Overall Length 5-15/32 in Outside Dia 0.550 in Wire Dia 0.080 in Fabric Sleeve Outside Dia 0.65 in Load (Lbs.) 24.00 Deflection @ Load 2.00 in Spring Rate (Lbs./in) 10 Meets/Exceeds ASTM A227/A228 and AMS 5112