do the have to be sewn

Yes, both parts of the fastener have to be sewn on.

What size are the largest ones?

About 1cm in diamiter. Straight across the middle from edge to edge. Hope this helps.

I'm trying to replace a fairly substantial snap on my barbour coat, are these hard-wearing enough for that?

I would think the larger might be alright. I have only used the smaller ones as fastening on my granddaughters activity bag. Might be advisable to look for a stronger fastener, Barbour coats are usually heavy in fabric I believe.. Hope this might help.

do they have both sides of the fastening?

Yes. They're not especially strong, though, so light pressure fixing only would be my advice.

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Hemline Snap Fasteners - Black, Assorted Sizes, 20 sets by Hemline Haberdashery

Product ID: 50051149

Details

Brand
Hemline
Colour
Assorted Black
Head style
Cap or Flat
Material
Metal
Model name

🎨assorted sizes for versatile crafting

🖤sleek black finish for modern aesthetics

⚙️20 durable metal snap sets

€ 7.82

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Description

🖤 Snap into style and function with Hemline’s sleek black fasteners!

CRAFT LIKE A PRO - Perfect for sewing, crafting, and DIY projects that demand quality.
SLEEK BLACK ELEGANCE - Add a contemporary, minimalist touch to your designs.
VERSATILE SIZE RANGE - Assorted sizes to fit every creative need, from fashion to home décor.
LIGHTWEIGHT YET STRONG - Metal construction ensures durability without bulk.
EFFORTLESS SNAP ON POWER - Secure your projects with reliable, easy-to-use fasteners.

Hemline Snap Fasteners come in a pack of 20 durable metal sets with assorted sizes and a modern black finish, ideal for sewing, crafting, and home décor projects. Lightweight yet strong, these fasteners combine functionality with sleek design, making them a top choice for creative professionals and DIY enthusiasts alike.

Specifications

ASIN	B004B68L2S
Best Sellers Rank	37,035 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 31 in Snaps (Home & Kitchen)
Brand Name	Hemline
Colour	Assorted Black H421.99
Country Of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (388)
Head Style	Cap or Flat
Item Dimensions L x W	9.7L x 8.4W centimetres
Item Weight	0.09 Pounds
Manufacturer	Hemline
Manufacturer Part Number	V8-XSED-58OW
Material Type	Metal
Model Name	HEMLINE-ASSORTED-BLACK-SEW-ON-542a9c04c0
Model Number	V8-XSED-58OW
Recommended Uses For Product	sewing projects, crafting, and home décor

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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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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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€ 7.82

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

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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