Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 3/4 In Wire Type Round Wire Dia 0.059 In End Type Squared and Not Ground Large Outside Dia 0.975 In Small Outside Dia 0.500 In LD @ 50% FREE LENGTH 6.44 Lbs LOAD @ SOLID 10.85 Lbs Spring Rate 17.18 Lbs/In Meets/Exceeds ASTM A313