Features:Sharp stainless steel needle is extremely thin and hard, which can easily prick the cable sheath for measuring without spliting it.Use for auto maintainance, tele-communication testing, construction site testing and some other cable non-destructive testing.Specifications:Product color: red, blackMetal material: copper, stainless steelMolded shell material: nylonElectrical parameters: AC30V - DC60V/Max.1AConnection: 4mm Banaba Socket.