EXTENSION SPRING, UTILITY, HIGH CARBON STEEL, ZINC PLATED, END TYPE CROSSOVER CENTER LOOPS, OVERALL LENGTH 1 1/2 IN, OUTSIDE DIA 5/16 IN, WIRE DIA 0.035 IN, LOAD 4.67 LBS, DEFLECTION @ LOAD 0.95 IN, SPRING RATE 3.86 LBS/IN, MEETS/EXCEEDS ASTM A227, PACKAGE 12