200PCS Fiber Optic Fusion Splice Protection Sleeves Tube 40MM Original Packaging. 

Made from "Full hard" stainless steel of 304 grade and is ground at the edges before polishing to make it entirely burr-free to avoid rupturing during shrinking, 304 quality gives better Moisture & corrosion resistance, even in the coastal environment. Resistant to heat shocks, no cracking, dripping, or flowing.

Fine Workmanship:

Operating temperature: -45°C to +100°C; Minimum fully recovery temperature:120°C 

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