Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 3/4 In Wire Type Round Wire Dia 0.049 In End Type Squared and Not Ground Large Outside Dia 0.975 In Small Outside Dia 0.625 In LD @ 50% FREE LENGTH 2.93 Lbs LOAD @ SOLID 5.09 Lbs Spring Rate 7.81 Lbs/In Meets/Exceeds ASTM A313