This uninsulated butt connector is BN2 model, it is 2.3mm inner diameter,Outside diameter is 4mm,15mm length
120-Piece Non-Insulated Butt Splice Connectors, Used widely in wire connecting in the machinery, electric power, railway, shipbuilding, aviation, home appliance, computer or other automatic equipments.
Tinned Copper for Corrosion Resistance,Durable for many years
Wire Stop Structure is Conductive to Insertion Wire in Right Space to Ensure the Effect of Compression.