Spring Assortment Extension and Compression High Carbon Steel Finish Zinc Plated Number of Pieces 123 Number of Sizes 40 Meets/Exceeds ASTM A228 and ASTM A227 Includes Extension 4 Each 0.187x0.023x1 0.25x0.029x1 1 3/4 0.25x0.029x2 1/4 0.312x0.029x1 2 2 1/2 0.312x0.035x1 1/4 1 3/4 2 1/4 0.375x0.035x1 1/4 1 3/4 2 1/4 2 3/4 3 0.375x0.048x1 1/2 2 2 1/2 3 3 Each 0.437x0.048x2 3/4 3 1/4 3 3/4