HellermannTyton Straight Cable Boot Black, Fluid Resistant Elastomer, 43mm, Adhesive Lined: No, Number of Breakouts: 1, Shrink Temperature: +135°C, Minimum Operating Temperature: -75°C, Maximum Operating Temperature: +150°C, Shrunk Diameter Primary: 28mm, Shrunk Diameter Secondary: 10mm, MPN: 401-57780 157-41-G-PO-X-BK