Sks hirschmann 4mm las 30 au lamellae plugs gold plated 32a sks hirschmann 972 518 700 laminated shatterproof black gold plated 4mm plugs from sks hirschmanns las 30 series these plugs have a caged spring and tapering sleeve which provides protection against kinking sks hirschmann 972 518 700 4mm las 30 au lamellae plugs gold plated 32a black