P-326 SPRING: 1″ wide, 1/2″ arbor, “Z”in, “7”out

P-326 SPRING: 1″ wide, .021 thick. 1/2″ arbor, “Z”in, “7”out. Please note: Springs are NOT returnable. Extreme caution must be used when working with mainsprings! Not responsible for damages or accidents!