Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 5/8 In Wire Type Round Wire Dia 0.072 In End Type Squared and Not Ground Large Outside Dia 0.975 In Small Outside Dia 0.438 In LD @ 50% FREE LENGTH 14.85 Lbs LOAD @ SOLID 22.85 Lbs Spring Rate 47.49 Lbs/In Meets/Exceeds ASTM A313