Contain the finest gun springs available, made from high tensile spring wire for reliable function, smooth operation, consistency and long life; Kit Includes: Reduced Power Hammer Spring, 12 lb. Reduced Power Rebound Trigger Spring, 13 lb. Reduced Power Rebound Trigger Spring, 14 lb. Reduced Power Rebound Trigger Spring; Lighten the trigger pull on single action revolvers and improve the single and double action trigger pull on double action revolvers; Double action kits contain assorted trigger rebound springs, allowing the selection of the lightest spring that will provide proper trigger return with your particular pistol; Black Finish