Article Related Amazon Products Sew link Upper Knife & Lower Knif Blade for Babylock BLE1 Eclipse, BLE1AT Imagine Buy on Amazon Pedal Sta Serger Pad Trim Catcher. Buy on Amazon NGOSEW Upper Knife Blade for Baby-Lock Serger BLE1AT-2, BLE3ATW Imagine Wave, BLE3ATW-2 B4401-04A-OY Buy on Amazon ckpsms brand – 1PCS #B4401-01A Upper KNIFE Compatible with …