3″ Heat Shrink Tubing 4 Feet Long

Reliable Large Heat Shrink Tubing for Easy Insulation

Our 3″ heat shrink tubing is your go-to solution for protecting, insulating, and bundling larger wires and cables at home, in the garage, or for DIY projects. With a 3-inch diameter and 4 feet of length, this heavy duty heat shrink tubing is great for covering big connectors, cable repairs, or organizing multiple wires.

Easy-to-Use Heat Shrink Wrap for Home and DIY Projects

Just slide this heat shrink sleeve over your connection or wire, apply heat from a heat gun or similar source, and watch it shrink for a tight, clean fit. The tubing shrinks up to 50% of its original diameter, making it easy to achieve a secure, professional look and reliable insulation. No special tools or technical skills are neededperfect for beginners and seasoned DIYers alike.

Product Features & Benefits

• Size: 3 inch (76.2mm) diameter; 4 feet (1.21m) long
• Color Options: Available in red or black
• Heavy Duty Protection: Durable material shields wires and connections from abrasion, moisture, and dust
• Flexible Fit: Shrinks up to 50% for a snug, custom fit on larger cables and wiring bundles
• Simple Application: Use with a standard heat gun for clean, quick results

Common Uses for 3″ Heat Shrink Tubing

• Electrical and cable repair
• Insulating and sealing large wire bundles
• Protecting automotive or marine wiring
• DIY electronics and projects around the house

How to Use

1. Cut the heat shrink tubing to the desired length if needed.
2. Slide the tubing over the wire, splice, or component.
3. Apply heat evenly using a heat gun until the tubing shrinks tightly around the item.
4. Allow to cool for a secure, long-lasting protective seal.

If you need a simple, effective, and reliable solution for larger wires, our 3″ heat shrink tubing makes any project easier. Choose your color and get started on your next job with confidence!