Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 5/8 In Wire Type Round Wire Dia 0.032 In End Type Squared and Not Ground Large Outside Dia 0.480 In Small Outside Dia 0.156 In LD @ 50% FREE LENGTH 3.42 Lbs LOAD @ SOLID 6.13 Lbs Spring Rate 10.93 Lbs/In Meets/Exceeds ASTM A313