Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 1 1/4 In Wire Type Round Wire Dia 0.045 In End Type Squared and Not Ground Large Outside Dia 0.850 In Small Outside Dia 0.375 In LD @ 50% FREE LENGTH 3.75 Lbs LOAD @ SOLID 6.96 Lbs Spring Rate 6 Lbs/In Meets/Exceeds ASTM A313