HellermannTyton 170-03191 Braided Wrap, Aluminum Laminated Fiberglass, 4' Long Stick, .38" Dia, AL/GF, Silver, 30/box Length: 4" Bundle Diameter Min: 0.1" Bundle Diameter Max: 0.3" Diameter: 0.37" Nominal Diameter: 3/8 Wall Thickness: 0.042" Color: Silver Qty/Bag: 30 Material: Glass fiber with aluminium foil (GF-AL) Material Shortcut: GF-AL Flammability: Non-Flammable Halogen free: Yes Operating Temperature (Metric): -76°F to +491°F (-60°C to +255°C) Reach Complaint(Article 33): Yes ROHS Complaint: Yes Features & Benefits •A layer of aluminum provides protection from chemicals, scraping, cuts and abrasion. •Additional layer also provides insulation barrier for vulnerable wires and cables within high temperature environments. •Cuts with ordinary scissors for fast, easy application.