Singer 317K very tough, strong Sewing Machine. The body and base are all made of cast alloy, so it is very strong and rigid, but much lighter weight than the cast iron classic black Singers which it replaced.
Jaguar SJ-34E Heavy-Duty Sewing Machine | 34 Stitches | Electronic Features
Little used Frister & Rossman Panda 6MK II Heavy Duty Sewing Machine+instruction
Swiss Bernina 707 Minimatic Heavy Duty Sewing Machine with Carry Case
Heavy Duty Grommet Machine Eyelet Hand Press Tool Set with 3 Dies & 1500 Eyelets
SOMABOND 40S BONDED NYLON HEAVY DUTY SEWING THREAD UPHOLSTERY LEATHER 27 COLOURS
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