The STS-4 Spool Kit is designed to hold 40' of dual strand or 80' of single strand Nonel.
Many of the current systems look sexy until you have to put the line back on the spool. With the unique design of the EOD Spool Kit you can now rapidly re-coil line back on to the spool.
1 Mandrel Core
Quit waisting your time with spooling line back on to a carabiner-type device and get back to tasks that actually matter.