Model 664 Specifications
(pdf file is available on the Download Page)

Description
Marker consists of Iron casting to which is attached a replaceable 3M™ Snowplowable Marker Insert (Series 190) for reflecting light from a single or opposite directions. Reflector features:
- Polycarbonate prismatic optics,
- Abrasion resistant lens hardcoat,
- Impact resistant polycarbonate body.

All aspects of reflector installation are factory controlled to insure proper adhesion to casting.

Dimensional Details
Overall Dimensions are approximately:
- 7.75 inches long
- 5.86 inches wide
- 1.34 inches high
- Installed Height is approximately .250 inches above road surface

Material
Nodular Iron, conforming to Specification ASTM A536-84 Hardened to 52-54 Rockwell “C”.

Surface
Surfaces of casting shall be free of scale, dirt, rust, oil, grease or any other contaminant which may reduce its bond to the installation adhesive.

Weight
Approximately 6 pounds each.

Identification
Casting is marked with manufacturer’s name and model number of marker.