HellermannTyton Cable Boot Black, Fluid Resistant Elastomer, 16.5mm, Shrink Temperature: +135°C, Minimum Operating Temperature: -75°C, Maximum Operating Temperature: +150°C, Shrunk Diameter (Primary): 7.9mm, Shrunk Diameter (Secondary): 2.5mm, MPN: 411-08480 1108-4-G-PO-X-BK