Yes, only four inches (108mm) diameter.

130mm long.

Mounts in a single 10mm hole. 150mm long leads.

’E’ marked Main, Dip and Side.

Wiring:

White - Earth

Blue - Dip

Green - Main

Black - Sidelight Earth

Brown - Sidelight 12v+

Note: FLAT BEAM PATTERN Which may not pass IVA

4 INCH SATIN BLACK HEADLAMP #HL4BK