I always keep on on my truck for those installs where there are 6+ prewires at D-mark. I find it easier to sit on that and do the fittings and configure rather than standing there all hunched over doing up 8 or 10 lines. When one breaks..... There's usually another spool emptying up.
This is CABL.com posting #152456. Tiny Link: cabl.co/mNO8