Compression Spring Conical 302 Stainless Steel Finish Plain Overall Length 1/2 In Wire Type Round Wire Dia 0.032 In End Type Squared and Not Ground Large Outside Dia 0.480 In Small Outside Dia 0.187 In LD @ 50% FREE LENGTH 2.88 Lbs LOAD @ SOLID 5.02 Lbs Spring Rate 11.51 Lbs/In Meets/Exceeds ASTM A313