BRADY DuraSleeve Wire Marking Sleeves, B-345 Polyolefin, White, 38.1 mm Length, for 16-12 AWG Wires, 250 per Roll

Electricians and panel builders working in industrial environments rely on BRADY DuraSleeve Wire Marking Sleeves to keep wiring identification clear and durable. These white, non-shrinkable polyolefin sleeves slide onto wires before termination and accept thermal transfer printing for crisp, legible legends that withstand harsh conditions.

Key specifications

• Material: B-345 polyolefin, matte finish
• Sleeve type: Non-shrinkable, slide-on wire marking sleeve
• Print technology: Thermal transfer (compatible with Brady R-4300 series ribbons)
• Colour: White
• Sleeve length: 38.1 mm (1.5 in)
• Wire diameter range: 2.39 mm to 3.18 mm (0.094 in to 0.125 in)
• Recommended wire gauge: 16-12 AWG
• Operating temperature: -40°C to 100°C (-40°F to 212°F)
• Quantity: 250 sleeves per roll/cartridge
• Printer compatibility: Brady BMP®21-PLUS, BMP®21-LAB, M210, M211 portable label printers
• Resistance properties: Abrasion, chemical, oil, water, UV, flame retardant
• Compliance: RoHS, UL Recognized, CSA Accepted (for B-345 material)

Why choose it

These sleeves deliver long-lasting identification in demanding settings. The B-345 polyolefin material resists abrasion, chemicals, oil, water, and UV exposure, ensuring legends remain legible over time. The self-extinguishing property adds an extra layer of safety in electrical applications. With a wide operating temperature range, they perform reliably in both cold and hot environments.

Ideal use cases

• Wire and cable identification in control panels and electrical enclosures
• Marking individual conductors in industrial machinery and equipment
• Labeling wires in automotive, marine, and aerospace applications where durability is critical
• Creating permanent, legible legends for maintenance and troubleshooting

Good to know

These sleeves are non-adhesive and slide onto wires before termination, providing a secure fit without the need for heat shrinking. They are designed for use with Brady's portable thermal transfer printers, making on-site marking quick and convenient. Each roll contains 250 sleeves, offering ample supply for large projects.