Description
PFAFF® hobbylock™ 2.5 — Automatic‑Tension 2/3/4‑Thread Overlock for Pro‑Quality Finishes
Finish seams like a pro—fast. The hobbylock™ 2.5 delivers 15 stitch options, flexible 2/3/4‑thread capability, an Automatic Tension Dial, differential feed, and color‑coded lay‑in threading. From stretchy performance knits to delicate sheers, get clean, durable edges with less setup and fewer test swatches.
15 built‑in stitches 2 / 3 / 4 thread modes Automatic Tension Dial Differential feed Color‑coded lay‑in threading Extra presser‑foot height Adjustable cutting width & stitch length Up to 1,200 spm LED lighting
Why creators choose the hobbylock™ 2.5
Automatic thread tension for consistent results
Select a stitch and the **Automatic Tension Dial** sets balanced tension—ideal when switching between knits, wovens, and specialty threads. Spend more time sewing and less time fiddling with settings.
2/3/4‑thread flexibility for every finish
Use 4‑thread for durable construction seams, 3‑thread for low‑bulk edge finishing, or 2‑thread for rolled hems and delicate decorative edges. Flatlock options add sporty ladder effects and neat, openwork details.
Differential feed prevents waves & puckers
Dial in the feed ratio to tame stretchy jerseys and lightweight sheers—no wavy edges or ripples. Need texture? Use differential feed for controlled gathering and ruffling.
Comfortable handling with extra presser‑foot height
Tackle layers, lofty textiles, and bulky seams with extra clearance and a generous sewing space that keeps fabric moving smoothly past the knife.
Color‑coded lay‑in threading & easy access
Clearly marked, color‑coded paths simplify setup. The front covers open wide to the looper area so you can see exactly what you’re doing.
High‑speed productivity
Finish garments and projects quickly with speeds up to 1,100–1,200 stitches per minute, while the integrated knife trims and neaten edges in one pass.
Built for your everyday sewing—and then some
- Garment finishing: Durable, stretch‑friendly seams for T‑shirts, leggings, activewear, and swim.
- Rolled hems & narrow edges: Quick, elegant finishes on chiffon, organza, voile, and scarves.
- Home décor & craft: Neat edges on napkins, table linens, cushions, and soft accessories.
- Decorative serging: Flatlock ladders, contrast thread, and wave‑style textures (with settings and thread choice).
Deep‑dive features (tap to expand)
Stitch & seam options
- 15 built‑in stitches across 4/3/2‑thread modes
- 4‑thread safety/overlock for construction seams
- 3‑thread narrow/wide overlock, flatlock, wrapped overlock
- 2‑thread rolled hem & narrow edge for sheers and fine finishes
Threading & tension
- Color‑coded, lay‑in threading with clear path markings
- Automatic Tension Dial plus tension release when the presser foot is lifted
- Front covers open fully for looper access
Fabric control & speed
- Differential feed ratio designed to prevent stretching or puckering
- Adjustable stitch length and cutting width to tailor the seam bite
- Up to 1,200 stitches per minute for rapid finishing
Design & ergonomics
- Extra presser‑foot height for layers and bulky fabrics
- Integrated upper movable knife (disengage when needed)
- Bright LED lighting over the work area
Key Specifications
Built‑in stitches15 (overlock, flatlock, rolled hem, narrow edge)Thread capability2 / 3 / 4 thread modesMax speedUp to 1,200 spm (typical literature 1,100–1,200)Differential feedYes (prevents stretching/puckering; enables gathering)Stitch length~1.0 – 4.0 mm (adjustable)Overlock stitch widthApprox. 3–7 mm depending on needle positionPresser‑foot heightExtra‑high clearance (approx. 4.5 mm)Tension systemAutomatic Tension Dial with manual fine‑tuneThreadingColor‑coded, lay‑in pathsKnife systemUpper movable cutter; disengageableLightingLEDDimensions (L×W×H)≈ 15.9″ × 12.6″ × 12.8″ (404 × 320 × 326 mm)Machine weight≈ 19.2 lb (8.7 kg)
Included Accessories
- Universal presser foot
- 2‑thread converter
- Knife blade (upper movable cutter)
- Thread unreeling discs (4) & thread spool nets (4)
- Cone holders (4)
- Needle threader & ELx705 needle pack
- Small & large screwdrivers, Allen key, tweezers
- Lint brush & oiler
- Waste tray
- Soft dust cover
- Accessory box & user documentation
Build & Care
Brush away lint frequently and empty the waste tray to keep stitches clean. Use quality cone thread and replace or sharpen the knife when trimming degrades. For timing or internal adjustments, consult an authorized PFAFF service center.
FAQs
Can it handle knits and lightweight fabrics without wavy seams?
Yes. Adjust the differential feed to prevent stretching on knits and to reduce puckering on fine wovens. It also enables controlled gathering.
Is threading difficult for beginners?
No—color‑coded, lay‑in threading and wide‑opening front covers make setup straightforward, even if you’re new to sergers.
Can I sew rolled hems and decorative edges?
Absolutely. Use 2‑thread or 3‑thread modes for rolled hems, narrow edges, and flatlock decorative seams with ladder effects.
Does it do coverstitch hemming?
The hobbylock™ 2.5 is an overlock/serger only; it does not coverstitch. For coverhem and chainstitch, use a dedicated coverstitch machine.






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