Blueline wire connectors are Canadau2019s professional choice for forming quick, secure connections between wires in the field. The specialized spring design grips in fewer twists and the outside of the connector is ribbed to offer a comfortable grip.
NSI EWR-U-BG U-BG DIE FOR OD59 MECHANICAL CRIMPER – 1 set
https://testing.nsiindustries.com/product/nsi-ewr-u-bg-u-bg-die-for-od59-mechanical-crimper-1-set/
Die OD59 Mechanical Crimper
UnInsulated Female Flag 12-10 (15 EA)