Description
Adhesive Lined Heat Shrink Tubing (ALT) – 3/8″ x 12″ – 5-Pack – Black
Package of 5 Black 12″(30.5cm) long sections with a 3/8″(9.5mm) diameter that shrinks to 1/8″(3.2mm)
Wire Range: 12-8 AWG
Features:
- Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn like PVC
- Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief
- Highest shrink ratio – shrinks to 1/3 original size
- Shrinks at 257°F / 125°C
- Operating temperature range of -40°C to 110°C
- UL 224
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:
- Type: Heat Shrink
- Box Dimensions: 1″H x 3″W x 15″L WT: 0.1 lbs
- UPC: 091887303407
View AllClose

![Ancor Adhesive Lined Heat Shrink Tubing (ALT) – 3/8″ x 12″ – 5-Pack – Black [304124]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-adhesive-lined-heat-shrink-tubing-alt-3-8-x-12-5-pack-black-304124.webp)


![Shadow-Caster Courtesy Light w/2′ Lead Wire – 316 SS Cover – Great White – 4-Pack[SCM-CL-GW-SS-4PACK]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-courtesy-light-w-2-lead-wire-316-ss-cover-great-white-4-pack-scm-c.webp)
![Shadow-Caster Accent Lighting Flex Strip 8′ Terminated w/20′ of Lead Wire[SCM-AL-LED-8]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-accent-lighting-flex-strip-8-terminated-w-20-lead-wire-scm-al-led-.webp)



![Jabsco HotShot HD4 Heavy Duty Washdown Pump – 24V – 4 GPM – 60 PSI [Q402J-118N-3A]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-hotshot-hd4-heavy-duty-washdown-pump-24v-4-gpm-60-psi-q402j-118n-3a.webp)