ML Serger Thread 3000yd BOYSENBERRY. Maxi-Lock is used by major serger manufacturers to test their machines and for demonstrations. That's how highly they regard this thread. The soft finish disguises a strength that holds up under the most vigorous seamwork.. The consistency make it easy to set and maintain tension. 50 wt. 100% spun polyester. 3000-yard cones.... - ML Serger Thread 3000yd BOYSENBERRY. |