SK4800D 22 to 8 AWG Assorted Wire Ferrules Kit, 4,800 Pieces, Series D, 1 Kit 8 to 12 10 AWG SK701P Deluxe Wire Ferrules Kit SK701P Deluxe Wire Ferrules Kit 26" (32mm) E: 0 QUANTITY: AD05005 WHITE 22 AWG 5MM 250 PIECES AD05008 WHITE 22 AWG 8MM 250 PIECES AD05012 WHITE 22 AWG 12MM 250 PIECES AD07508 GRAY 20 AWG 8MM 250 PIECES AD07510 GRAY 20 AWG 10MM 250 PIECES AD07512 GRAY 20 AWG 12MM 250 PIECES AD10008 RED 18 AWG 8MM 250 PIECES AD10012 RED 18 AWG 12MM 250 PIECES AD10018 RED 18 AWG 18MM 250 PIECES AD15008 BLACK 16 AWG 8MM 250 PIECES AD15012 BLACK 16 AWG 12MM 250 PIECES AD15018 BLACK 16 AWG 18MM 250 PIECES AW25008 BLUE 14 AWG 8MM 250 PIECES AW25012 BLUE 14 AWG 12MM 250 PIECES AW25018* BLUE 14 AWG 18MM 250 PIECES AW40009 GRAY 12 AWG 9MM 250 PIECES AW40012 GRAY 12 AWG 12MM 250 PIECES AW40018 GRAY 12 AWG 18MM 250 PIECES AD60010* YELLOW 10 AWG 10MM 50 PIECES AD60012 YELLOW 10 AWG 12MM 50 PIECES AD60018 YELLOW 10 AWG 18MM 50 PIECES AD100012 RED 8 AWG 12MM 50 PIECES AD100015* RED 8 AWG 15MM 50 PIECES AD100018 RED 8 AWG 18MM 50 PIECES *Not currently UL approved The primary purpose of a ferrule is to prevent wire strands from fraying