Vintage Sunlock ML 4 Overlock Industrial Sewing Machine
New in Original Box with storage case
Serial # 24105 Made in Japan
Easily converts to interlock chain stitch and safety stitch
Instructions, accessories included
Purchased from the estate of a dressmaker
who worked in a manufacturing facility
Manufacturer tested but has never  been used
Everything moves, turns as it should but I did
not sew any fabric with the machine
No damage noted
Shipping weight is 33 lbs