P-348b MAIN SPRING: 1″ wide x 0.021 x 15′. 1/2″c, 0-0 ends

P-348b MAIN SPRING: 1″ wide x 0.021 x 15′. Half inch center arbor. Both ends have pear shaped holes. In 3″ coil. Please note: Springs are NOT returnable. Check needed spring thickness before ordering. Extreme caution must be used when working with mainsprings! Not responsible for damages or accidents!  This spring is often used in the Victor I horn phonographs, also in VV-VI inside horn table model phonographs.