Application: Designed for wire nnection, welding heat shrink for protection and. The design of the welding ring is easy to nstruct. Blue nnector: tool cable/wire size 16-12 AWG. 5-2.5mm2 12 PCS. Red nnector: tool cable/wire size 22-16 AWG 0.5-.5mm2 23 PCS.
eBay