Hi what size heat shrink do i need for 16mm2 and 35mm2 battery cable ?

this pack has the sizes you need.

Would a hair dryer work in lieu of a heat gun.

I think it will work as long as the hair dryer gets really hot ? It will take longer obviously.... But, any heat gun will work and they aren't very expensive.

Can it be used on shoe laces

That's an interesting question! It's certainly adhesive inside, and the cable joins I do seem robust, so I suspect the answer is yes, although it is quite stiff and will be slightly proud of the original lace so it may not sit on the shoe very vell. I presume that the adhesive is primarily to seal against water entry, so I don't know what the pull strength will be.

Is the width shown really the diameter or the width when flat, i.e is the largest one 25.4mm (1") diameter or 16mm (0.6") diameter?

Width when its unshrunk very good heat shrink product worth getting

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180 PCS Heat Shrink Tubing Kit (Black)

Product ID: 232365438

Details

Brand
Wirefy
Global Trade Identification Number
Material
Polyolefin
Product dimensions
19.5L x 3.5W
Recommended uses for product
Automotive and

💧Heat-activated adhesive - waterproof

🔥3:1 Shrink Ratio - tight seal

🛠️Dual wall tubing - abrasion resistant

Description

🔥 Seal it tight, protect it right – the ultimate heat shrink kit for pros! 🛠️

DUAL WALL DURABILITY - Outer abrasion-resistant layer combined with an inner adhesive lining offers superior strain relief and long-lasting protection.
VERSATILE SIZE RANGE - Includes 7 essential diameters from 3/32" to 3/4", pre-cut to 1.75 inches for quick, hassle-free application.
PRECISION 3 1 SHRINK RATIO - Ensures a snug fit by shrinking to one-third, outperforming standard 2:1 tubing for professional-grade repairs.
EFFORTLESS PROFESSIONAL FINISH - Simply slide over connections and apply heat for instant, reliable insulation—perfect for automotive, marine, and home projects.
WATERPROOF SEAL WITH HEAT ACTIVATED ADHESIVE - Creates a durable, moisture-proof barrier that protects your connections from corrosion and environmental damage.

The Wirefy 180 PCS Heat Shrink Tubing Kit features a high-performance 3:1 shrink ratio for a tight, professional seal. Its heat-activated adhesive ensures waterproof, corrosion-resistant connections, while the dual wall design offers enhanced abrasion resistance and strain relief. With seven commonly used sizes pre-cut for convenience, this kit is ideal for automotive, marine, and electrical projects requiring durable, reliable insulation.

Specifications

ASIN	B084GDLSCK
Best Sellers Rank	29,857 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 136 in Heat-Shrink Tubing
Brand	Wirefy
Customer Reviews	4.6 4.6 out of 5 stars (24,804)
Global Trade Identification Number	00857409007471
Item Dimensions L x W	19.5L x 3.5W centimetres
Item Length	19.51 Centimetres
Manufacturer	Wirefy
Material	Polyolefin
Model Number	Wirefy-DWT-180
Number of Packs	1
Part Number	Wirefy-DWT-180
Recommended Uses For Product	Automotive, Marine, Outdoor, Electrical, Critical Automotive and Electrical Applications
UPC	857409007471
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

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