Extension Spring Utility 302 Stainless Steel Plain End Type Crossover Center Loops Overall Length 1 3/4 In Outside Dia 1/4 In Wire Dia 0.029 In Load 3.53 Lbs Deflection @ Load 1.64 In Spring Rate 1.75 Lbs/In Meets/Exceeds AISI 302/304 and ASTM A313 Package 6