Per manufacturer, 50’ is the longest length, there is currently no longer length continuous spool.
1946-TFLEX-405-ND and 1946-TFLEX-402-ND are example numbers.
Summary
TFLEX-405
TFLEX-40
TFlex405
1946-TFLEX-405
TFLEX-402
CABLE COAXIAL 50’
TFlex402
1946-TFLEX-402