Reviews
Reviews
elna eXtend 664PRO Overlock Machine
The elna eXtend 664PRO is a powerful mechanical overlock machine designed to simplify serging while delivering professional‑quality results. Built for speed, precision, and ease of use, the 664PRO allows you to cut, hem, and sew in one step, making it a dependable ally for garment construction and edge finishing.
Intuitive Overlocking with Program Guidance
An Elna‑exclusive built‑in program reference panel displays the recommended settings for each stitch program, guiding you step‑by‑step to set up the machine correctly. This thoughtful design removes the guesswork from serging and helps achieve consistent, professional stitches with minimal adjustment.
Versatile Stitch Programs & Threads
- 12 built‑in stitch programs
- 2‑, 3‑, and 4‑thread overlocking capability
- 1‑ or 2‑needle operation
- 4‑thread programs for safety seams, stretch knit, gathering, and wrapped stretch stitches
- 3‑thread programs for wide and regular overlock, narrow hem, rolled hem, and flatlock
- 2‑thread programs for rolled hem, overcast, and flatlock
Precise Fabric Handling & Stitch Control
Equipped with a 4‑piece feed dog system, adjustable differential feed, and presser foot pressure control, the eXtend 664PRO handles a wide variety of fabrics, from delicate materials like silk and jersey to thicker knits and layered seams.
- Adjustable stitch length: 1 – 5 mm
- Adjustable cutting width: 3 – 7 mm
- Adjustable differential feed: 0.5 – 2.25
- Manual thread tension control with automatic tension release device
- Lower looper pre‑tension setting lever for fine adjustments
Time‑Saving Features
- Easy‑threading system for the lower looper
- Color‑coded threading guides
- Tilting needle clamp for easier needle changes
- Built‑in 2‑thread converter
- Instant rolled hem device
- Movable cutting blade with cutting‑width control window
- Built‑in thread cutter
- Built‑in accessory storage on the front of the machine
- Waste tray included to collect fabric trimmings
Speed, Stability & Visibility
The eXtend 664PRO operates at speeds of up to 1,300 stitches per minute, offering fast and smooth performance with excellent stitch consistency. LED lighting illuminates the sewing area, while the machine’s durable construction ensures stable, low‑vibration operation.
Solid Construction & Practical Design
With a compact footprint and a weight of approximately 6.3 kg (≈13.9 lbs), the eXtend 664PRO balances portability with stability. A carrying handle, telescopic thread antenna, and four spool pins contribute to an organized and efficient sewing experience.
Ideal For
Sewists looking for a user‑friendly yet professional overlock machine that delivers clean edges, durable seams, and reliable results across a wide range of fabrics.
Product Warranty InformationAt Authorized Vac and Sew, we stand behind the quality of the products we sell. Every sewing machine purchased from us comes with a 1-year warranty covering all parts and labor through Authorized Vac and Sew for added peace of mind. Extended warranty options are also available for select models.Below, you’ll find warranty details for various product categories. If you have any questions about warranty coverage or would like to explore extended warranty options, please contact us at (559) 439-2560 or email us at Customerservice@authorizedvacandsew.comManufacturer WarrantiesMost products sold by Authorized Vac and Sew are covered by the original manufacturer’s warranty. Warranty terms vary by brand and product type. Below is a general guide to what is typically covered:Sewing Machines & Embroidery Machines
- Bernina: Up to 20-year limited warranty (parts), 5-year electrical, 2-year labor.
- Baby Lock: Up to 25-year limited warranty (parts), 10-year electrical, 1-year labor.
- Brother: Varies by model; typically 25-year limited warranty on chassis, 5-year electrical, 1-year labor.
- Janome: Up to 25-year limited warranty (parts), 5-year electrical, 1-year labor.
- Handi Quilter: Up to 10-year limited warranty (parts), 5-year electrical, 1-year labor.
For full details on a specific brand's warranty, please refer to the manufacturer’s website or contact us for assistance.Vacuum Cleaners
- Miele: 7-year warranty on motor, 1-year on parts and labor.
- Riccar: Varies by model, typically 4-8 years on motor and 1-3 years on parts.
- Simplicity: Up to 5-year warranty on motor and parts.
Furniture & Accessories
- Arrow & Kangaroo Cabinets: 3-10 year warranty depending on the product.
- Sew Steady Tables: Limited 1-year warranty on manufacturing defects.
- AccuQuilt Cutters & Dies: 1-year warranty on defects.
What’s Not Covered?
- Normal wear and tear
- Misuse, neglect, or improper maintenance
- Damage caused by unauthorized repairs
- Commercial use of household machines (unless otherwise stated in warranty)
How to File a Warranty ClaimIf you experience an issue covered under warranty:
- Locate your purchase receipt – Proof of purchase is required.
- Contact the manufacturer – Many brands require direct warranty claims.
- Contact Authorized Vac and Sew – If you need assistance with your warranty claim, call us at (559) 439-2560 or visit our store.
Online Warranty Claims Notice
For all online warranty claims, customers must contact our store first to begin the warranty process.
Troubleshooting & Evaluation
All warranty claims will begin with phone troubleshooting conducted by our in-house service technicians. Many issues can be resolved remotely without the need to ship the machine. If our technician determines that the machine requires physical inspection or repair, the following applies:
Shipping Responsibility
• The customer is responsible for shipping the unit to our service department for inspection.
• Once the issue is confirmed to be covered under warranty, all warranty-approved parts and labor will be provided at no cost to the customer.
• After repairs are completed, we will cover the return shipping back to the customer at no additional charge.
Warranty Void Clause
Any warranty will be immediately void if the customer opens the machine housing or casing, adjusts, modifies, or tampers with internal components, attempts self-repair, or allows unauthorized service or repairs. This includes, but is not limited to, altering or adjusting electrical components, timing, tension assemblies, motors, circuit boards, or any internal mechanical parts.
Machines that show signs of tampering, unauthorized repairs, or modification will no longer qualify for warranty coverage. Any resulting repairs will be subject to standard service and labor fees.Questions or Assistance
If you have questions about your warranty or believe your machine may require service, please contact us before taking any action. Our team is happy to guide you through the proper warranty process.
Agreement
By purchasing online, you acknowledge and agree to these warranty terms and conditions and understand that failure to follow the outlined warranty procedures may result in denial of warranty coverage.
For extended service options or repairs beyond the warranty period, we offer professional servicing to keep your machine running smoothly.