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Tri-Tek Electronics' 3:1 Dual Wall Heat Shrink offers a robust selection of heat shrink tubing, distinguished by a 3:1 shrink ratio. These dual-wall tubes are specifically designed for enhanced insulation, with an internal adhesive layer that forms a secure, moisture-resistant seal. Ideal for a variety of applications requiring durable environmental protection, these heat shrinks ensure reliability in electrical insulation, wire bundling, and strain relief tasks. This category caters to various sizes and specifications, suitable for diverse needs in electrical installations and repairs.
1/4in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Black 4ft Length
SAVE $0.30
1/2in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Clear 4ft Length
SAVE $0.48
1in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Black 4ft Length
SAVE $0.94
1in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Black 4ft Length
$10.28 $11.22
SAVE 8%
1in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Clear 4ft Length
SAVE $0.94
1in. Heat Shrink Tubing 3:1 Dual Wall w/Adhesive - Clear 4ft Length
$10.28 $11.22
SAVE 8%
1'' clear 4ft 3:1 dual wall heat shrink
SAVE $0.60
1'' Clear 3:1 Dual Wall Heat Shrink - 4' Stick
$7.99 $8.59
SAVE 7%
SAVE $1.00
Thermosleeve CBDWT3X3/16R4
$3.59 $4.59
SAVE 22%
1/2'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $0.50
1/2'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
$5.49 $5.99
SAVE 8%
SAVE $0.60
Thermosleeve CBDWT3X1BK4
$7.99 $8.59
SAVE 7%
1/4'' Clear 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $0.50
1/4'' Clear 3:1 Dual Wall Heat Shrink - 4' Stick
$3.49 $3.99
SAVE 13%
SAVE $0.50
Thermosleeve CBDWT3X1/8C4
$2.99 $3.49
SAVE 14%
SAVE $0.50
Thermosleeve CBDWT3X1/8BK4
$2.99 $3.49
SAVE 14%
1/4'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $0.50
1/4'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
$3.49 $3.99
SAVE 13%
SAVE $1.00
Thermosleeve CBDWT3X3/16BK4
$3.59 $4.59
SAVE 22%
SAVE $4.00
Thermosleeve CBDWT3X2BK4
$15.99 $19.99
SAVE 20%
1/2'' Red 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $0.50
1/2'' Red 3:1 Dual Wall Heat Shrink - 4' Stick
$5.49 $5.99
SAVE 8%
SAVE $0.50
Thermosleeve CBDWT3X1/8R4
$2.99 $3.49
SAVE 14%
1-1/2'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $2.60
1-1/2'' Black 3:1 Dual Wall Heat Shrink - 4' Stick
$10.39 $12.99
SAVE 20%
1/4'' Red 3:1 Dual Wall Heat Shrink - 4' Stick 
SAVE $0.50
1/4'' Red 3:1 Dual Wall Heat Shrink - 4' Stick 
$3.49 $3.99
SAVE 13%
SAVE $0.60
Thermosleeve CBDWT3X1R4
$7.99 $8.59
SAVE 7%
SAVE $4.00
Thermosleeve CBDWT3X2R4
$19.99 $23.99
SAVE 17%
SAVE $4.00
Thermosleeve CBDWT3X2C4
$19.99 $23.99
SAVE 17%
1/2'' Clear 3:1 Dual Wall Heat Shrink - 4' Stick
SAVE $0.50
1/2'' Clear 3:1 Dual Wall Heat Shrink - 4' Stick
$5.49 $5.99
SAVE 8%