Specification:Interface Type : Plug SpringMaterial : copperNumber of holes: 1Ambient temperature: 80Housing material : PVC Specification:140 piece electrical connector kit includes:4.3 Spade (Fork) Connectors (10pcs)6.4 Spade (Fork) Connectors (10pcs)2.8 x 0.8 Push On Connectors (10pcs)4.8 x 08 Push On Connectors (10pcs)6.3 x 0.8 Push On Connector (10pcs)2.8 x 0.8 Fully Insulated Push (10pcs)4.8 x 0.8 Fully Insulated Push On Connectors (10pcs)4.8 x 0.8 Male Tab Connectors (10pcs)6.3 x 0.8 Male Tab Connectors (10pcs)4.3 Spade (Fork) Connectors (10pcs)4.8 x 08 Push On Connectors (10pcs)6.3 x 0.8 Push On Connectors (10pcs)4.8 x 0.8 Male Tab Connectors (10pcs)6.3 x 0.8 Male Tab Connectors (10pcs) Points:For various electrical wiring use.INSULATED - The heat shrink terminals protect the wire from pull-outs, abrasions, mechanical abuse and resist water, salt and other contaminants.PRACTICAL WIRE CONTACT - The material is tinned copper which can stabilize high current passing though devices and therefore reduces voltage drop.HIGH TOLERANCE - Temperature rating: -35 Celsius to 75 CelsiusFeatures:EASY APPLICATION - Melt the adhesive inside by heat gun, let polyolefin tubing reduces in size and adhesive flows inside the insulation. Wait till it cools down, the wire would be sealed.