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MTECH USA MT-A840P Spring Assisted Joker Knife, 4.75-Inch Closed

MTECH USA MT-A840P Spring Assisted Joker Knife, 4.75-Inch Closed

Q: I just got this knife. Opened it twice, and on the second open, it's now stuck open. How do I close it?

I had a similar problem. If you don't know how to unlock it, simply look at the knife handle with blade facing you, and look near the guard. Under it should be a curved piece of metal inside the hollow area of the grip. Push that with your thumb to the left. That doesn't. Work, try right. When I first got it it was hard to close too. Just push with more force and it'll give way. It also eventually gets much easier. Thanks for asking! If you find no solution, contact the company, who's name is Mtech. Hope this helped!

Q: Is this considered a gravity knife?

Yes it's a great knife use it everyday

Q: is the window punch, spring loaded?

The window punch is actually as small pice of aluminum built into the butt of the knife and is stationary (not spring loaded), about 4/10ths c wide by 4/10ths cm high. If you use the zoom feature on by hovering over the picture of the knife you can see it. Though I haven't had to use the window breaker yet, I would suggest on buying a tool built for breaking a window. Also the blade is not spring assisted as the description would say but thumb assist. Use your thumb to press down on a stationary leaver and flick your wrist to open, the downward force of your thumb and momentum of your wrist open the blade and snap it in place.

Q: no instructions in box. how do i close it? ordered 2 another on the way

Once the knife is opened there is a little metal tab you push to the side and you just fold the blade back in

4.3/5

Product ID: 601935528

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Details

Special features
Spring Assist
Age range (description)
Adult
Included components
Spring Assist
Style
Modern
Product care instructions
Hand Wash Only

🔗Integrated glass breaker & lanyard hole

⚙️Spring-assisted quick deployment

🗡️4.75-inch stonewash stainless steel blade

Frequently Bought Together

MTECH USA MT-A840P Spring Assisted Joker Knife, 4.75-Inch Closed,Stonewash

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FUNBRO EDC Pocket Knife - 7CR13Mov Steel Tanto Blade, Slim Survival Knife with Clip and Liner Lock, Window Breaker - For Outdoor Camping

Description

⚡ Unlock your edge with the MTECH MT-A840P – where style meets instant readiness.

AMBIDEXTROUS DESIGN - Comfort and control for both left and right-handed pros, ensuring seamless handling in any situation.
DISCREET POCKET CLIP - Carry confidently with a sleek clip that keeps your knife accessible yet low-profile.
EFFORTLESS SPRING ASSIST - Deploy your blade in a flash with smooth, reliable spring-assisted action—because every second counts.
PRECISION STONEWASH STEEL - Durable 3.25-inch blade with corrosion-resistant finish for lasting sharpness and style.
TACTICAL GLASS BREAKER LANYARD HOLE - Be prepared for emergencies with built-in glass breaker and secure lanyard attachment.

The MTECH USA MT-A840P is a 4.75-inch closed, spring-assisted folding knife featuring a 3.25-inch stonewash stainless steel blade and handle. Designed for ambidextrous use, it includes a tactical glass breaker, lanyard hole, and a convenient pocket clip, all packed into a lightweight 0.45-pound modern tool built for quick deployment and everyday carry.

Specifications

Age Range	Adult
Blade Edge	V-Grind
Hand Orientation	Ambidextrous
Style	Modern
Weight	0.45 Pounds
Width	6 inches
Features	Spring Assist
Included Components	Spring Assist
Batteries Included?	No
Item model number	MT-A840P
Product Dimensions	5.08 x 2.54 x 13.34 cm; 100 g
ASIN	B00JS3FMC6

Have a Question? See What Others Asked

I just got this knife. Opened it twice, and on the second open, it's now stuck open. How do I close it?

Is this considered a gravity knife?

is the window punch, spring loaded?

no instructions in box. how do i close it? ordered 2 another on the way

Common Questions

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Sorry, this item from our Hungary store is out of stock. We're restocking soon—check back or contact support for similar products.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

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