Is the door suppose to not open at all with this because my door still opens a little ?

It isn't good for your door to still open a little. Your doorknob may be loose. If so, do whatever it takes to fix the doorknob. The angle of the device's post to the floor may be too steep. If so, I recommend you change its length and thereby change the angle to get the skid foot a little farther away from the door. The skid foot of the device may be sliding. If so, give it a surface that let's it bite better. A little piece of that woven no skid rubber cargo mat would probably prevent slide.

What material is the piece that fits under the door knob?

it is all made of high grade iron, just slip the fork like piece under door know.

My door has a handle not a doorknob can I put this underneath the square metal frame instead of putting it on a door knob

If your talking about the type of handle that is kind of like an ‘L’ shape…that’s what I have and I just put the ‘U’ shape of the SECURITYMAN right up under the handle and it works just the same!!

Can I use both of these for door knobs or only one for door knob and one for sliding glass door?

You can use both for door knobs

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SECURITYBARB2

Product ID: 126325037

Details

Brand
SECURITYMAN
Color
Black
Finish Type
rubber
Manufacturer
SECURITYMAN
Material
Iron
Mounting Type
Door Mount

🔄Interchangeable caps for dual use

↔️Adjustable 18.25"–47.5" length

🛡️400 lbs pressure resistance

€ 131.31

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Lock down your peace of mind with SecurityMan’s ironclad versatility!

HASSLE FREE SETUP - Quickly prop under any door knob and remove with ease—security that adapts to your lifestyle.
FLOOR FRIENDLY GRIP - Angled rubber base grips all floor types firmly without a scratch—security meets care.
CUSTOM FIT ADJUSTMENT - Extend or retract from 18.25" to 47.5" ensuring a perfect, secure fit for any door size.
DUAL PURPOSE SECURITY - Switch effortlessly between door stopper and sliding door lock with easy cap swaps.
HEAVY DUTY IRON BUILD - Crafted from high-grade iron to withstand up to 400 lbs of force—your fortress at the door.

The SecurityMan 2-in-1 Door Security Bar (2 Pack) offers a robust, adjustable solution for both hinged and sliding doors. Constructed from high-grade iron, it resists up to 400 lbs of pressure and features interchangeable caps for versatile use. Its rubberized base protects floors while providing a strong grip, making it an essential, easy-to-use security upgrade for modern homes.

Specifications

ASIN	B07NVSP174
Best Sellers Rank	#654 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Sliding Door Hardware
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (25,493)
Date First Available	February 19, 2019
Finish	rubber
Included Components	Security Bar
Item Package Quantity	1
Item Weight	3.83 pounds
Item model number	SECURITYBARB2-VAR
Manufacturer	SECURITYMAN
Material	Iron
Mounting Type	Door Mount, Under Door Mount
Number Of Pieces	2
Part Number	SECURITYBARB2-VAR
Product Dimensions	17 x 1 x 1 inches
Size	2 Pack
Style	Safety

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 131.31

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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