Most commonly, the single well sleeves are used for crimpling single strand, 7 strand, and 49 strand wire.
#2 Size: .047″ 1.19mm size 2 J02B-A 36 pack
#3 Size: .055″ 1.40mm size 3 J03B-A 36 pack
#4 Size: .071″ 1.80mm size 4 J04B-A 25 pack
#5 Size: .085″ 2.16mm size 6 J05B-A 25 pack
#6 Size: .082″ 2.08mm size 6 J06B-A 25 pack
#7 Size: .106″ 2.69mm size 7 J07B-A 36 pack
#8 Size: .116″ 2.95mm size 7 J08B-A 36 pack