JACK 20717005 Lower Lopper / E4S-4

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The Lower Lopper (Part #20717005) is a genuine JACK original replacement part designed for JACK E4S-4 series overlock machines. Manufactured to OEM specifications for precise fit a nd reliable performance. Equivalent Part Numbers JACK: 20717005, 20717050 (alt) Compatible Machines This part fits the following industrial sewing machine models: JACK: E4S-4 Technical Specifications Brand JACK Part Number 20717005 Part Type Lubrication Parts Condition New – OEM Original Looking for a replacement lower lopper for your JACK E4S-4 overlock machine? This genuine OEM part ensures reliable performance and precise fit. Shop with confidence — all parts ship from Miami, FL. ⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final. Show more