10-Pack 4.1mm Rubber Strain Relief Cord Boot Cable Protectors

Protect Your Cables with Durable Rubber Strain Relief Boots

Keep your cables organized, safe, and long-lasting with these 4.1mm Rubber Strain Relief Cord Boot Protectors. This handy 10-piece set fits snugly over cable entry points to prevent fraying, kinking, and wear at stress points — the most common spot where cables fail. Whether you're reinforcing a phone charger, power tool cord, or data cable, these flexible PE rubber sleeves deliver reliable protection every time.

Key Features

• Universal 4.1mm fit — compatible with a wide range of cables including cellphone chargers, power tool cords, USB cables, and more
• Flexible PE rubber material — durable yet pliable, providing a secure grip and bend protection at cable exit points
• Strain relief design — reduces stress on cable connectors and gland entry points to extend cable lifespan
• Sleek black finish — clean, professional look that blends with most cables and devices
• 10-piece pack — great value; enough to protect multiple cables around your home, workshop, or office
• Easy to install — simply slide onto cable before connecting; no special tools required

Specifications

• Material: PE (Polyethylene) Rubber
• Cable Diameter: 4.1mm
• Color: Black
• Quantity: 10 pieces per pack
• Application: 3C Digital devices, power tools, chargers, cables
• Made in China

Where to Use Them

These cord boot protectors are ideal for use on:

• Smartphone and tablet charger cables
• Power tool cords and extension leads
• USB and data transfer cables
• Audio and electronics wiring
• DIY and maker projects

For more cable management solutions and accessories, check out our featured store products. If you enjoy DIY projects, you might also like our workshop-friendly accessories.

For guidance on safe wiring and electrical cord practices, visit the U.S. Consumer Product Safety Commission – Electrical Safety Resource.

Frequently Asked Questions

Q: What cable diameter do these rubber strain relief cord boots fit?

A: These cord boot protectors are designed for cables with a diameter of 4.1mm. Please measure your cable before purchasing to ensure a proper fit.

Q: What material are the cord boot protectors made from?

A: They are made from flexible PE (Polyethylene) rubber, which provides durability, flexibility, and a secure fit around cable entry points.

Q: How do I install these cable strain relief boots?

A: Simply slide the rubber boot onto your cable before plugging in the connector. The boot sits at the point where the cable meets the plug or gland, preventing bending and fraying at that stress point.

Q: How many pieces are included in the pack?

A: Each pack contains 10 rubber strain relief cord boot protectors, giving you plenty to protect multiple cables throughout your home, office, or workshop.