MTP#103429AS Head Lamp/Work Light.
4 ½ in Lens Labeled ""Guide Tractor Lens"".
This light is 6 Volt, for 12 volt use same # and change Bulbs to part#1018729M1.
Tear drop back; O.D. is actually 5 inch; ½ inch NC thread stud post for flat mounting applications.
Wire attaches externally to back of light.
Length approx 5 inches.
For multiple applications.