Signamax OFFSS-30-40 Fusion Splice Sleeves deliver dependable protection for fiber optic splices with a 40mm length and 3.0mm post-shrink diameter. These sleeves accommodate buffer diameters from 250 to 900 µm and feature integrated stainless steel strength members that resist micro-bending while maintaining splice alignment. The pre-shrunk, heat-bonded polyolefin construction activates at 120°C in approximately 90 seconds, streamlining installation. This 100-pack provides the structural integrity and durability required for mission-critical network infrastructure, making it an essential component for professional fiber optic installations.