how do i know if the keys will work on my doors

In my experience they work on original mortise locks. They didn't work on the one door in my house with a newer mortise lock I purchased in Home Depot

what is the bit length on these keys?

The bit blade part is 3/8" x 3/8". Thank you, NLS Products.

if these do not work on my 20s mortise door, can you recommend others to try?

They did not work on my old dresser draws. Take a photo of the lock, and try an old hardware store, if you can find one. A former coworker who lBrooklyn tolde some time ago that his local hardwarestore csrried. them.

My home was built around 1900. I know it takes a notched key. Will these work?

There’s no way to know but to try them. I did and they didn’t work for my lock so I took the lock out of the door (just a few screws) and brought it to a locksmith. They made keys that work for $20 each.

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Lucky Line 87202 Skeleton Keys-2PK Skeleton Key

Product ID: 124211720

Details

Brand
Lucky Line
Item dimensions L x W x H
8 x 2.2 x 0.3
Lock type
Key Lock
Material
Brass Zinc
Special feature
Key Unlock

🚪Large head for effortless turning

🗝️3¼" length fits most antique locks

🛠️Brass-plated zinc resists bending

325 kr

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Description

🗝️ Unlock timeless style with every turn!

UNIVERSAL FIT - Generic cuts tailored to fit most antique door locks—unlock nostalgia with confidence.
DUAL KEY DESIGN - Includes both notch tip for lever locks and flat tip for warded locks.
EFFORTLESS OPERATION - Large key head designed for easy grip and smooth turning every time.
UNLOCK VINTAGE CHARM - Perfectly crafted for antique French doors and classic hardware.
DURABLE CRAFTSMANSHIP - Brass-plated zinc construction ensures long-lasting strength without bending.

The Lucky Line 87202 Skeleton Keys 2-pack features two brass-plated zinc keys—one notch tip and one flat tip—designed to fit most antique French doors and vintage hardware. Measuring 3¼ inches in length with a large head for easy turning, these durable keys combine classic style with reliable function, making them an essential tool for restoring or maintaining antique locks.

Specifications

ASIN	B000LNQO8I
Best Sellers Rank	73,258 in DIY & Tools ( See Top 100 in DIY & Tools ) 75 in Lock Replacement Parts
Brand	Lucky Line
Colour	Combo (87202)
Control Method	Touch
Controller Type	Hand Control
Customer Reviews	4.0 4.0 out of 5 stars (1,660)
Finish	Brass
Included Components	2 Skeleton Keys
Item Dimensions	8 x 2.2 x 0.3 centimetres
Item Type Name	1 Flat Tip - 1 Notch Tip
Item Weight	0.02 Pounds
Lock Type	Key Lock
Manufacturer	Lucky Line
Material	Brass, Zinc
Model Name	Skeleton Key
Model Number	87202
Number of Items	2
Number of Pieces	2
Part Number	87202
Recommended Uses For Product	antique french doors or other antique door hardware
Special Features	Key Unlock
Style	Antique
UPC	085721872020 733353701651

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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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325 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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