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Dual Wall 3:1 Heat Shrink Kit - 66 Pieces

Heat Shrink Kit

Comprehensive 66-Piece Heat Shrink Tube Kit with Flame Retardant Protection

This 66-piece heat shrink tube kit is designed for superior wire protection and strain relief, featuring 10 different sizes of adhesive-lined polyolefin tubes in black and red. Each self-sealing, flame-retardant tube is pre-cut into convenient 6" lengths, with an inner diameter range from 1/8" to 1" as supplied. The dual-wall, 3:1 polyolefin shrink tubing is UL-listed (E-157227) and conforms to MIL-DTL-23053/4 standards, ensuring exceptional performance and safety. Packaged in a lightweight, translucent carrying case measuring 11" x 6-3/4" x 1-3/4", this kit offers organization and portability, making it ideal for professional and DIY wiring applications.


  • 66 pieces of 10 different sizes of adhesive-lined polyolefin shrink tube (in black & red).
  • 6" cut lengths I.D. range is 1/8" - 1" as supplied. Shrink tube is flame retardant and self-sealing.
  • Dual wall 3-1 polyolefin, UL listed E-157227, MIL-DTL-23053/4.
  • All contained within a durable, lightweight translucent carrying case (11" x 6-3/4" x 1-3/4").
  • Kit Components
Item Description Price
1+ I Ext. Price I 2+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
551 NSPA, Dual Wall 3:1 Heat Shrink Kit - 66 pc. (1 MIN)
71.83900 71.84 I 66.67600 66.68
1 EA ✓

Dual Wall 3:1 Shrink Tube Kit - 30 Pieces

Assorted Shrink Tube Kit

Compact 30-Piece Dual Wall Heat Shrink Tube Kit for Terminal Connections

This compact shrink tube kit provides 30 pieces of dual-wall polyolefin tubing, perfect for securely sealing a variety of terminal connections. With inner diameter sizes ranging from 1/8" to 1/2", the pre-cut 6" lengths in black and red offer versatile options for different wiring needs. UL-listed (E-157227) and meeting MIL-DTL-23053/4 standards, these tubes deliver reliable performance and protection. Packaged in a lightweight, durable translucent carrying case measuring 7" x 3" x 1-1/2", this kit offers convenient portability and storage. A smaller version of the Brute shrink tube kit, it’s ideal for smaller-scale or on-the-go projects requiring precise and effective wire insulation.


  • This kit is a bit smaller than it's big brother the Brute shrink tube kit.
  • Contains 30 six-inch pieces of dual wall polyolefin shrink tube I.D. ranges from 1/8" to 1/2" in both black and red.
  • UL listed E-157227, MIL-DTL-23053/4. All contained within a durable lightweight, translucent carrying case (7" x 3" x 1-1/2").
  • Kit Components
Item Description Price
1+ I Ext. Price I 2+ Ext. Price I
Qty in
Package 		In Stock Add to Cart
554 NSPA, Dual Wall 3:1 Shrink Tube Kit - 30 pc (1 MIN)
32.50900 32.51 I 26.46600 26.47
1 EA ✓
Prop65 Warning