---
product_id: 26140372
title: "2 pc Serger knife Upper and Lower Singer maintenance pack"
brand: "sew kitten"
price: "FREE"
currency: USD
in_stock: false
reviews_count: 8
category: "Home"
url: https://www.desertcart.us/products/26140372-2-pc-serger-knife-upper-and-lower-singer-maintenance-pack
store_origin: US
region: United States of America
---

# 2 pc Serger knife Upper and Lower Singer maintenance pack

**Brand:** sew kitten
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 2 pc Serger knife Upper and Lower Singer maintenance pack by sew kitten
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/26140372-2-pc-serger-knife-upper-and-lower-singer-maintenance-pack)

## Best For

- sew kitten enthusiasts

## Why This Product

- Trusted sew kitten brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Brand New Upper and Lower Carbide Steel Blade Knifes (2 piece set). Fits BABYLOCK SERGER - BL202, BL302, BL400, BL430, BL432, BL450A, BL4350D, BL5030, BL5040, BL5040L Elna Serger T-3 ,T-33 ,T-34 ,T-34D. HAPPYLOCK SERGER - 1867 OMEGA SERGER - 303SI, 334D, 15J103, 15J134 PFAFF SERGER - 756 RICCAR SERGER - RL564DE, RL613, RL613E, RL624, RL624E, RL634DE, RL634E, RL724E SERGE-MATE SERGER MODELS - 300, 430, SW432, 4350D, 5030 Singer Serger 14U style:, 14u12a, 14u13, 14u32 ,14u34a, 14u34b, 14u44 ,14u46 ,14u52a, 14u53 ,14u64a, 14u65, 14u85 ,14u234 ,14u244 14u285 ,14u28 ,14u344, 14u354, 14u444 ,14u454, 14u544 ,14u554, 14u555, 14u557, PRO4D, Simplicity Serger - SL200, SL350 ,SL370 ,SL390 ,SL803, SL804, SL804D ,SL843 ,SL4300, SL4300ED ,SL4360ED, These are Durable, Accurate Angle Blades Ensure smooth sewing and professional cuts. Perfect for replacing your existing blades. Includes Pro Sew Lint Cleaning Brush

## Features

- Brand New Upper and Lower Carbide Steel Blade Knifes (2 piece set)
- SERGER MAINTAINANCE PACK
- Durable, Accurate Angle Blades Ensure smooth sewing and professional cuts
- Singer 14SH644 , 14U part# 412585 and 412749
- Includes lint brush and needles. Keep your serger well maintained.

## Images

![2 pc Serger knife Upper and Lower Singer maintenance pack - Image 1](https://m.media-amazon.com/images/I/51Sykglv5jL.jpg)
![2 pc Serger knife Upper and Lower Singer maintenance pack - Image 2](https://m.media-amazon.com/images/I/31YXSg57XpL.jpg)
![2 pc Serger knife Upper and Lower Singer maintenance pack - Image 3](https://m.media-amazon.com/images/I/51ROXcMxQBL.jpg)
![2 pc Serger knife Upper and Lower Singer maintenance pack - Image 4](https://m.media-amazon.com/images/I/51ROXcMxQBL.jpg)
![2 pc Serger knife Upper and Lower Singer maintenance pack - Image 5](https://m.media-amazon.com/images/I/41xT5wlR38L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    I was pretty skeptical that these were going to fit and work ...
  

*by I***E on Reviewed in the United States on November 22, 2017*

I was skeptical.  I have an older machine- much older.  It's Simplicity brand and I've had it for about 25 years, and it was my mother-in-laws before I got it.  I give it a work out and regular maintenance.  It came with replacement blades, 2 sets, and I've used them. I was pretty skeptical that these were going to fit and work as well as the blades the machine came with, but I was wrong.They installed easily, maybe 10 minutes total, most of the time nudging the bottom blade up to it's position (Pro-tip, take a close up pf your bottom blade BEFORE you uninstall it so you know if it was set flush or just above flush.  Take a video of your blades running so you know how much they close overr each other.  To much and your work will bunch up, to little and it won't cut correctly.)  Then I grabbed some scrap denim (the heavy stuff) and gave it a go.  Like cutting through butter.I'm so glad I took the chance, I've been doing French seams on everything, which is wonderful, but is also time consuming and often really unnecessary.TL:DR  Great blades, installed easily and came with bonus machine needles!

### ⭐⭐⭐⭐⭐ 







  
  
    Sew Kitten is Sew Kool!
  

*by M***G on Reviewed in the United States on June 2, 2016*

Very nice serger knife set for Singer machine. I was pleased to find a Sew Kitten trading card enclosed with my order! How cute! This seller caught my attention and I searched for other products they have listed (of course to get more kitty trading cards, lol). I searched online for diy instructions for my particular serger, but couldn't find any. I settled for a few videos that discuss other similar machines on how to install the knife set. I also consulted my machine manual and enlisted my husband to help. It was successful, but then my machine started having other problems, no of which are related to the knife set. Looks like I'm shopping for a new machine, but my old serger has served me well for the past 12 years or so. If your Singer serger has a dulled knife blade, please consider this product offered by Sew Kitten (for the kitty trading cards, of course!!).

### ⭐⭐⭐⭐⭐ 







  
  
    It fit like a charm and I'm off sewing happily again
  

*by A***R on Reviewed in the United States on July 27, 2017*

I only needed to bottom blade at the moment, as a replacement for one in an older Pfaff Hobbylock 756.  It fit like a charm and I'm off sewing happily again.  I really appreciated the added touch to include the lint brush and package of high speed sewing needles as well.  When the time comes to get another replacement blade, I'll certainly be a repeat customer.

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**Shop now:** [https://www.desertcart.us/products/26140372-2-pc-serger-knife-upper-and-lower-singer-maintenance-pack](https://www.desertcart.us/products/26140372-2-pc-serger-knife-upper-and-lower-singer-maintenance-pack)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-20*