Fluke c550 tool bag fluke fluke c550 the c550 tool bag is a large contractor s bag made from tough ballistic nylon and has a steel internal frame the c550 is weather resistant and comes with handles shoulder strap and heavy duty hardware with over 20 inside and outside pockets the c550 is large enough to conveniently carry several meters accessories and even your hard tools including hammers saws and screwdrivers the c550 comes in the distinctive fluke yellow and black colour and prou