Telephone bushing, insulated, coloured for 8 mm holes
Ø4 mm bushing for insulated fitting in Ø8 mm holes.
Optalloy coated brass, with 1 nut.
Ø1 mm hole for cable, soldered joint.
Length: 28 mm, head diameter: 10.5 mm.
Coloured plastic.
4mm Sockets
Plugs, sockets, adaptors, probes and leads with shrouded centre contacts for use where a higher degree of safety in interconnection is required.