Are the dimensions listed the recovered or unrecovered size?

Hi, The 4:1 shrink ratio simply means that it recovers to 1/4 of its original diameter. I hope this helps! You can contact us directly if you need more info.

Can it be used with self regulating heat cable

Hi, We do not recommend it because it will generally be kept at a higher temperature, up to 120℃, occasionally as high as 175℃.

Can this be used to cover banana plugs in use with speaker wire?

Thank you for your question. Yes, it can be used to cover banana plugs in use with speaker wire.

Can these be used to reinforce the wire leading to earbuds? The rubber has ripped exposing a small window of the wires.

You could if you are very careful as the heat needed to use for these could very easily melt the wires for your ear buds. You may be better off using liquid tape.

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🔥 Seal the deal with Wirefy – where precision meets protection!

SIZE MATTERS - Five versatile diameters cover all your wiring needs from 1/4" to 3/4"
BUILT TO LAST - Dual wall design offers superior abrasion resistance and strain relief
SEAL IT TIGHT - Heat-activated adhesive creates a waterproof, durable connection
SHRINK LIKE A PRO - 4:1 ratio ensures a snug, professional-grade fit every time
READY WHEN YOU ARE - Precut 1.75" lengths in organized compartments for quick, mess-free use

Wirefy's 190-piece Heat Shrink Tubing Kit features a market-leading 4:1 shrink ratio and adhesive-lined dual wall tubing for waterproof, abrasion-resistant insulation. With five common sizes pre-cut to 1.75 inches and UL-listed quality, it’s the ultimate professional solution for marine, automotive, and home wiring repairs.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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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.