Lower Looper # X76771001

Lower Looper # X76771-001.

Brother PL1500 Serger
Brother PL1600 Serger
Brother PL2000 Serger
Brother PL2100 Serger
Viking 1000 Huskylock
Viking 1000L Huskylock
Viking 1001L Huskylock
Viking 1002
Viking 1002LCD Huskylock
Viking 560
Viking 560ED
Viking 560EDT
Viking 650
Viking 660CD Huskylock
Viking 680CD
Viking 800 Huskylock
Viking 900 Huskylock