SPARC™ Ribbon Fiber Protective Sleeves, Heat Shrink, 42 mm x 3.4 mm x 1.6 mm, Pack of 100

Jonard Tools’ 42 mm × 3.4 mm x 1.6 mm Ribbon Fiber Protective Sleeves are designed to provide maximum protection and long-term reliability for fusion-spliced fiber optic connections. These high-performance sleeves ensure precise alignment, superior mechanical strength, and complete environmental sealing for each splice. Constructed with a durable outer heat-shrink tube, an inner adhesive layer, and a stainless steel strength member, these sleeves maintain splice integrity while minimizing optical loss. Their compact diameter makes them ideal for high-density splice trays and applications requiring minimal space without sacrificing protection. This product features the following:

• Triple-layer design with stainless steel rod provides superior strength and resistance to bending stress
• Slim 3.4 mm x 1.6 mm diameter after shrinkage allows for high fiber density in modern splice trays
• Heat-activated inner adhesive ensures complete moisture protection and long-term stability
• Shrinks quickly and evenly using any standard fusion splicer heater
• Fits all ribbon fiber fusion splicers and splice tray holders designed for 42 mm sleeves
• Transparent outer tube allows for easy splice inspection during and after installation
• Includes 100 fiber protective sleeves