Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 1 1/2 In Wire Type Round Wire Dia 0.042 In End Type Squared and Not Ground Large Outside Dia 0.850 In Small Outside Dia 0.343 In LD @ 50% FREE LENGTH 3.08 Lbs LOAD @ SOLID 5.82 Lbs Spring Rate 4.11 Lbs/In Meets/Exceeds ASTM A313