Crimped with heat shrink tubing. Blue, for 16-14 gauge (1.0 to 2.5mm² or 1.02mm to 1.63mm diameter) wiring. Tube shaped and used to crimp two wire ends together to lengthen or repair existing wiring. Comes with the extra insurance of heat shrink tubing. Stronger than just a crimp. Offers improved durability, vibration and weather resistance.
