Wire end ferrule END SLEEVES AHK 4/10 GY, Wire end ferrule, Matching crimp insert: PEW 12.090, For cross section: 4mm², Total length: 19.5mm, grey, tinned electrolytic copper, Areas of application: Use for unsecured connections in switchgear and distributors, rail vehicles, solar systems, ignition cables, etc., For thick-walled cables, Special wire end ferrule design with large plastic collar for thick-walled cables (e.g. NSGAFÖU), Benefits: Larger insulation thicknesses and wall thicknesses for higher loads, Due to the enlarged insulation collar, suitable for all common short-circuit and earth-fault-proof cables up to 3kV