A
Anonymous
Apr 18, 2026
Rating: 5/5
Highly recommended
Fits all my hotends perfectly. No stripping of screws observed.
Description
5-in-1 Wrench for 3D Printers, CNC Engravers, and Plotters - MK8 E3D Nozzle and Heater Block Wrench
Reviews
Attributes
| Brand | - |
| Category | 3D Printing Accessories / Hot End and Nozzle |
| Origin | - |
| Material | Hardened Steel |
| Color | Silver |
| Compatibility | MK8, E3D V6, Heater Blocks |
| Set Includes | 5 Pieces |
| Key Sizes | 1.5mm, 2mm, 2.5mm, 3mm, 4mm |
| Net Weight | 50 grams |
| Surface Finish | Polished |
| Tool Type | L-Key Hex Wrench |
| Origin | China |
| Warranty | 1 Year Limited |
5 reviews
A
Anonymous
Apr 18, 2026
Rating: 5/5
Essential tool
Couldn't maintain my printer without this set. Highly recommend.
A
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect fit for my Ender 3
Works great for nozzle changes. Very sturdy and fits perfectly.
A
Anonymous
Feb 18, 2026
Rating: 4/5
Good but small
Quality is good but the 1.5mm is tiny to hold during tight adjustments.
A
Anonymous
Jan 31, 2026
Rating: 5/5
Great value
Cheap and does the job well. Arrived quickly too.
5 FAQ
Q: What is the longest key size?
A: The 4mm key is the largest included in this 5-in-1 set.
Q: Is the steel magnetic?
A: Yes, hardened steel is slightly magnetic which helps retrieve dropped screws.
Q: Does this fit Creality CR-10?
A: Yes, it fits standard MK8 setups found on the CR-10.
Q: Can I use this on aluminum blocks?
A: Yes, but be careful not to overtighten to avoid stripping the aluminum.
Q: Are these metric or imperial?
A: These are metric hex keys suitable for standard 3D printer hardware.
![Bambu Lab Right Hotend Heating Assembly 3D Printer Accessory [Compatible with H2D]](https://www.gosteppe.com/cache/medium/product/2203/legacy-main-d56482b3801c18329d097eb5.png)
