Kuject 120-Piece Heat-Shrink Butt Connectors, 22–10 AWG

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Product guide

Kuject 120-Piece Heat-Shrink Butt Connectors, 22–10 AWG

Kuject 120-piece heat-shrink butt connectors are a color-coded assortment for crimp-splicing wires from 22–10 AWG. The adhesive-lined tubing is intended to shrink around the joint, while customer feedback is positive about sealing but mixed on crimp hold and barrel thickness.

At a glance

Assortment contains red, blue, and yellow connectors, with the listed wire ranges varying by color.
Listing describes 3:1 heat-shrink tubing lined with hot-melt adhesive to seal around a crimped splice.
Designed for crimp-splicing in marine, automotive, home, and DIY electrical applications.

Price

$8.99Save 10%

Reference price: ~~$9.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Three color-coded wire-size groups make it easier to select among the included gauges.
Adhesive-lined heat-shrink construction combines the crimp splice and tubing in one connector.

Cons

Customer feedback reports mixed crimp retention, with some customers saying wires do not hold securely and the crimp wall feels thin.

Technical specifications

17 specifications

Identity
Brand	Kuject
Part number	CC120N
Quantity	120
Packs	1

Connector and materials
Connector type	Crimp
Terminal	Butt Terminal
Contact material	Crimp Barrel
Insulation material	Polyethylene
Maximum voltage	600 volts
Specification listed	CE

Wire range and assortment
Gauge	22, 20, 18, 16, 14, 12, 10 AWG
Stud size	22 - 10 A.W.G.
Color	Red Blue Yellow
Red connectors	55 red butt splice connectors (22–16 AWG)
Blue connectors	50 blue (16–14 AWG)
Yellow connectors	15 yellow (12–10 AWG)

Dimensions
Item dimensions (L × W × H)	7"L x 3"W x 0.5"H

What to know before buying

The listing’s general 22–10 AWG range is consistent with its color-group ranges, but confirm the connector color and specific wire gauge before use. Its water-resistance and standards statements are listing claims, not independently established here.

What’s in the box

Included

120 heat-shrink butt connectors

Who is it for?

A good fit for

DIY, automotive, or marine wiring projects needing butt splices in the listed 22–10 AWG range.
Buyers who want a small assortment of color-coded adhesive-lined heat-shrink connectors.

Less suited to

Projects that require a crimp tool or heat source in the same package. The supplied contents list names connectors only.
Buyers who need confirmed heavy-duty crimp retention without inspecting the connection or verifying suitability for their application.

Kuject 120-Piece Heat-Shrink Butt Connectors, 22–10 AWG · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 1,893 ratings

5 stars81%81%
4 stars13%13%
3 stars4%4%
2 stars1%1%
1 star1%1%

Customer feedback highlights the heat-shrink seal, ease of use, water resistance, and assortment as strengths. Crimp quality is more mixed, with reports of weak wire retention and thin crimp walls. That concern matters because this product depends on a sound crimp before the tubing is shrunk, so buyers needing dependable joints should verify each connection and suitability for their application.

Positive themes

Customers praise the heat-shrink sealing and appreciate the assortment and ease of use.

Negative themes

Some customers report that wires are not held securely and describe the crimp wall as too thin.

Mixed feedback

Feedback on crimp quality varies, so satisfaction with the shrink seal does not guarantee a consistently secure crimp.

Frequently asked questions

What wire sizes are these connectors listed for?

The listing gives an overall range of 22–10 AWG. Its assortment details specify 55 red connectors for 22–16 AWG, 50 blue for 16–14 AWG, and 15 yellow for 12–10 AWG.

Are the connectors described as water-resistant?

The listing describes adhesive-lined heat-shrink tubing as forming a water-resistant seal. That is a product claim, not an independently verified rating.

Does the package include a crimping tool?

The stated included component is 120 heat-shrink butt connectors. A crimping tool is not listed as included.

What do customers report about crimp quality?

Feedback is mixed. Customers praise the sealing and assortment, while some report that the crimp does not hold wires securely or that its wall is too thin.