


🧰 Elevate your toolkit with precision, comfort, and American craftsmanship!
The Klein Tools 630-3/8M is a professional-grade 3/8-inch nut driver featuring a rare-earth magnetic tip and a 3-inch hollow shaft for pass-through bolt applications. Made in the USA with premium alloy steel and a corrosion-resistant chrome finish, it offers a cushioned grip handle for enhanced torque and comfort. Designed to meet or exceed ASME/ANSI standards, this tool is engineered for durability, precision, and ease of use in demanding work environments.
| Color | Black |
| Brand | KLEIN TOOLS |
| Material | Alloy Steel, Rubber |
| Item Length | 6.75 Inches |
| Item Weight | 3.2 Ounces |
| Item Package Quantity | 1 |
| Head Style | Hex |
| Finish Type | Brushed |
| Operation Mode | Mechanical |
| Is Racheting | Yes |
| Is Non Sparking | Yes |
| Point Count | 6 |
| End Style | hang hole |
| Manufacturer | Klein Tools |
| Measurement Standard | SAE (Inch) |
| Wrench Length Style | standard |
| UPC | 092644652066 |
| Global Trade Identification Number | 00092644652066 |
| Part Number | 630-3/8M |
| Item Weight | 3.2 ounces |
| Item model number | 630-3/8M |
| Is Discontinued By Manufacturer | No |
| Size | 3-Inch Shaft |
| Style | 3/8-Inch Tip |
| Finish | Brushed |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | hand_powered |
| Number of Handles | 1 |
| Measurement System | Inch |
| Special Features | Corrosion Resistant |
| Included Components | Tools/Accessories |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1 Year Manufacturer |
N**C
Drives my nuts like never before
I don’t like to bust a nut. But when I need a loose nut, this baby is just what the doctor ordered. Whether I’m using my left or right hand, this is the right tool for the job. It’s magnetic too, so if I have a screw loose or I want it to stick to my nuts, I can trust it to be there for me.
R**Y
No better nutdriver
I bought a few of these the other day in a couple sizes and nothing beats them. I really didn't feel like shelling out major bucks to get the entire set, as there are a few sizes that I can't foresee myself using. I ended up purchasing the 5/16, the 1/4, and the 1/2, and couldn't be more pleased with them.There really isn't too much to say about these except that they are the best nut drivers I have ever owned, and I can foresee them lasting a very long time before needing to be replaced.
M**Y
Quality tool
Sometimes you want a tool that does one thing very well. This is such a tool. Made in USA.
R**H
Klein nut driver.
Great tool and it has a great feel. A pleasure to use installing and removing nut's and bolts.
P**F
Worth it.
Happy with purchase. Used it to replace my refrigerator ice maker. The magnetic head and dedicated design saved me countless swear words I think trying to replace nuts upside down and at odd angles. Very glad I spend the money.
R**O
nice tool
Good quality and usability. Would buy again but will probably never need to unless misplaced.
L**U
Great and will be purchasing more sizes
Love magnetic tip oh so nice to keep from dropping things in the “unreachable” spots
N**I
Great value
Works great
G**Y
WAS A 5 NOW ITS A ONE!!!!!!
WELL LETS SEE I AM NOW MAD, THE NUT DRIVER THAT THEY SENT TO REPLACE THE PREVIOUS DEFECTIVE ONE IS ALSO DEFECTIVE OR THEY CANT READ. ITS SUPPOSE TO BE A MAGNETIC DRIVER WITH A HOLLOW SHAFT FOR LONG BOLTS IT IS NOT IN FACT THE END OF THE NUT DRIVER IS PLUGGED UP WITH THE MAGNET. SO I AM SENDING THIS ONE BACK ALSO WITH A VERY NASTY NOTE. KLEIN TOOLS USE TO BE THE BEST NOW I AM NOT SO SURE
J**T
Does the job.
You can be sure that it's not going to fail and perform well based on the name. The tool isn't anything special, but the peace of mind the name gives is worth something.
W**E
Always worth the money. Great tool
Like everything Thnks Klein for making a great line of tools please keep it up thanks
M**A
Great quality
I love these Klein tools.I like that this is magnetic and could buy it individually.They sell it in a set in stores.This 1 is pretty much half the price of the set of 2 in stores.
**
Great tool
It's perfect do exactly what I needed it for, removing Toilets every day as I am a plumber Happy i added it to my tool Box
Trustpilot
2 months ago
3 weeks ago