300 Piece Heat Shrink Butt Connector Kit – Avelune
300 Piece Heat Shrink Butt Connector Kit – view 2
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Tools & DIY

300 Piece Heat Shrink Butt Connector Kit

Chosen because customers reordered it
$20.99 $29.95 Save 30%

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Order today, estimated delivery Nov 23 – Dec 5 · Free shipping over $39

In stock — ships in 1–3 business days
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Free shipping over $39. Tracked to your door, 7–15 business days across the US.
30-day returns. Unused and in original condition. Wrong or damaged on arrival is on us.
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Shipping & delivery

Orders are processed in 1–3 business days, then delivered in 7–15 business days across the United States and 10–20 business days to other countries. You receive a tracking link by email as soon as your parcel leaves.

Standard shipping is free on orders of $39 or more. Below that it is a flat $8.99 in the US and $11.95 to other countries. Multi-item orders may arrive in separate parcels a few days apart, at no extra cost.

Returns & refunds

You have 30 days from delivery to return an unused item in its original condition. Email us and we send instructions the same day.

If an item arrives damaged, faulty or not what you ordered, contact us within 7 days with a photo and choose a free replacement or a full refund — you pay nothing to return it.

Reliable Connections for Your Electrical Needs

This 300-piece heat shrink butt connector kit is designed for anyone needing secure and waterproof electrical connections. Perfect for automotive, marine, or home wiring projects, these connectors ensure a strong and lasting bond.

Why You'll Love It

  • Comprehensive Assortment: Includes 100 red, 100 blue, and 100 yellow connectors for various wire sizes.
  • Durable Material: Made from P.E and copper for reliable performance.
  • Corrosion Resistant: The heat shrink feature prevents corrosion and provides a waterproof seal.
  • Easy to Use: Simply apply heat with a hot air gun for a secure fit.
  • Visual Inspection: Allows for easy checking of connections to ensure quality.

Product Details

  • Material: P.E and Copper
  • Gauge: 22-12 AWG
  • Wire Size: Red: 22-16 AWG/0.5-1.5mm², Blue: 16-14 AWG/1.5-2.5mm², Yellow: 12-10 AWG/4.0-6.0mm²
  • Quantity: 300 pieces total (100 red, 100 blue, 100 yellow)

What's in the Box

  • 100 Red Heat Shrink Butt Connectors
  • 100 Blue Heat Shrink Butt Connectors
  • 100 Yellow Heat Shrink Butt Connectors

How to Use

  1. Choose the appropriate connector for your wire size.
  2. Insert the stripped wire ends into the connector.
  3. Apply heat using a hot air gun until the connector shrinks and seals.

Good to Know

Ensure the wire ends are clean and free of insulation for the best connection. Use caution when applying heat to prevent damage.

FAQ

What sizes of connectors are included?
This kit includes 100 red, 100 blue, and 100 yellow connectors, suitable for various wire sizes.

Can these connectors be used outdoors?
Yes, the heat shrink feature provides a waterproof seal, making them suitable for outdoor use.

Specification
Category
Tools & DIY
Condition
New
Processing
1–3 business days
Delivery
7–15 business days in the US
Returns
30 days from delivery
Our part of the deal

Packed by hand.Tracked to your door.Backed for thirty days.

Avelune · Est. 2026
What you can count on

The part that happens after you order

Tracked shipping

Free on orders of $39 or more, a flat $8.99 in the US below that. Tracking on every single order, no exceptions.

30-day returns

Thirty days from delivery to change your mind on unused items. Wrong or damaged on arrival is on us, always.

Safe checkout

Visa, Mastercard, Amex, Discover, PayPal, Apple Pay, Google Pay and Shop Pay over an encrypted, PCI-compliant checkout.

People, not scripts

Email us any day of the week and a real person replies within 24 hours, usually much sooner.

From order to doorstep

What happens after you press buy

No mystery, no silent weeks. Here is the whole journey, with the timing we hold ourselves to.

01

We pick and check

Your order is routed to the partner warehouse holding that piece, pulled, inspected and packed for transit.

1–3 business days
02

It ships with tracking

You get an email with a tracking link the moment it leaves. Multi-item orders may travel in separate parcels, at no extra cost.

Tracking on every order
03

It reaches your door

Most US addresses receive within 7 to 15 business days of dispatch. If it runs long, write to us and we reship or refund.

7–15 business days
Before you order

Questions about this order

The three things customers ask most before buying. Anything else, email us and a person replies within a day.

When will this arrive?

We process in 1–3 business days, then delivery takes 7–15 business days across the United States and 10–20 business days elsewhere. You get a tracking link by email as soon as it ships.

What if it is not right?

You have 30 days from delivery to return an unused item in original condition. If it arrives damaged or wrong, send a photo within 7 days and pick a free replacement or a full refund — you pay nothing to return it.

Is shipping really free?

On orders of $39 or more, yes, to every destination we serve. Below $39 it is a flat $8.99 in the US and $11.95 to other countries.

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