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⚡ Crimp Like a Pro, Connect Like a Boss!
The IWISS SN-2549 is a high-precision ratcheting crimping tool engineered for 0.08-1.0 mm² wires and a wide range of terminal types including Dupont, JST, and KF2510. Featuring wire EDM-cut polished jaws and a self-releasing ratchet lock, it delivers machine-quality crimps with ergonomic comfort—ideal for professionals customizing wiring in electronics, 3D printers, and battery packs.
| ASIN | B01N4L8QMW |
| Best Sellers Rank | 6,093 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3,084 in Wiring & Connecting |
| Brand | IWISS |
| Colour | Orange |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (498) |
| Grip Type | Ergonomic |
| Handle Material | multicolor |
| Handle Type | Ergonomic |
| Item Weight | 0.86 Pounds |
| Manufacturer | IWISS Electric Co., Ltd |
| Model Number | SN-2549 0.08-1.0mm² |
| Part Number | SN-2549 |
| Set Name | SN-2549 Ratcheting Wire Crimping Tool |
| Size | AWG28-18 (0.08-1.0mm²) |
| UPC | 709619251635 |
| Usage | connecting electrical wires on rechargeable battery packs, battery balancers, battery eliminator circuits, 3D printers, and radio-controlled servos |
W**N
A Dupont cable crimping tool that really works and looks like it will be my go to crimp tool.
I had almost given up with finding an affordable, easy to use crimping tool, for Dupont plug and socket crimp connectors that provided a crimp as good as the mass produced breadboard jumper wires. If you can get good mass produced jumper wires why bother with a crimping tool, It all about length with longer wires you get problems with the way an electrical circuit will operate. So I like to use commercial jumper wires and tailor them to the length I need for each part of the breadboard circuit. The "WISS SN-2549 Crimping Tools for Dupont terminal 0.08-1.0 mm² XH2.54/ 2.54/2.8/3.0/3.96/4.8/KF2510/JST Terminal Crimper Plier Ratcheting Wire Connector Crimping Tool " has proved to be the best quality crimping tool to date that I have found. A********* The ratchet allows the tool to hold the crimp pin or socket securely while inserting the wire. Once the tool is fully closed and springs open the crimp pin is easily released unlike other brands and the wire and sheath crimps are showing the same closure as the machine produced crimps, with a similar insulation resistance end to end as machine made crips. The crimp tool is a good fit for my hands and the crimping pressure required to complete the crimp is comfortable for making 20 or 30 crimps at a time. Really glad I bought this tool, Amazons delivery time was also fast.
M**K
Great crimping
An excellent crimp tool. Bought this to crimp the smaller JST Molex pins/connectors. These crimps have a narrower nose which is perfect for the small connectors. Crimps with a wider jaw will flatten the small tag that holds the connector in the housing. These work perfectly and produce a neat and tight crimp. Recommended..
S**W
Solid and well-made
I'm new to using JST connectors so it took a bit of fiddling to figure out exactly where to sit the connector for crimping, but once this was done the crimpers seemed to do a reliable job. They seem to be precisely and robustly built for the price.
M**T
Does what it should
Very good at crimping connectors, I purchased a different crimper at first but I returned that as it was completely useless, but these iwiss crimps are excellent, perfectly crimped connectors straight out of the box. Highly recommended.
P**R
These are great quality for the price from a respected brand
These are great quality for the price from a respected brand and the removable jaws are great if like me you get a crimp connector jammed!
H**O
Crimper
Excellent product. Performed better than I expected. First rate crimps.
S**.
Good product. Good price
Good product. Good price
G**E
They work. Yippee!
At long last after three tries I have found a pair of crimpers that actually fit the small XH-2.5 JST connectors.
R**Y
アマゾンのレビューはいつも半信半疑ですが、価格も高くはないので購入してみました。結果、今までXHやデュポンコネクタは中国駐在時に購入した工具で圧着していて失敗が多かったのですが、この工具にしたら圧倒的に失敗が減りました。ダイスの作りも以下まで使っていた工具よりだいぶ良さそうに見えます。少なくともホビー用途なら（わたくしはホビーユーザーです）十分に満足できると思います。
K**E
Perfekt verktyg för att klämma ihop små små kabelskor! Kan inte vara mer nöjd med köpet!
J**T
Very good tool !!! I use it only for crimping JST XH. Only amateurs use Dupont, so I cannot judge if it is suited for the Dupont-style crap.
M**.
Ho crimpato centinaia di connettori (MTA e JST) senza riscontrare alcuna difficoltà.
S**A
Es lo que se describe, crimpa perfecto.
Trustpilot
2 months ago
1 month ago