34156 PLASTI-GRIP Series Insulated Crimp Spade Connector, 0.26mm² to 1.65mm². PLASTI-GRIP closed barrel spade tongue wire crimp terminals made of high conductivity tin plated copper with an expanded high dielectric strength 94V-0 rated vinyl insulation sleeve. The inner barrel of these PLASTI-GRIP closed barrel spade tongue crimp terminals is serrated in order to provide maximum electrical contact and tensile strength after crimping.