HellermannTyton Cable Boot Black, Fluid Resistant Elastomer Adhesive Lined, 31mm, Adhesive Lined: Yes, Shrink Temperature: +135°C, Minimum Operating Temperature: -75°C, Maximum Operating Temperature: +150°C, Shrunk Diameter Primary: 18mm, Shrunk Diameter Secondary: 7mm, MPN: 411-55012 1155-4-GW24-PO-X-BK