This is a newer style Miller Industries Control Handle Knob (old Style #
12-0301429). It is grey in color and is labeled "In/Out" for wheel lift extend
operations.  See Features for related wreckers and Brochures for reference
charts.
    -  Labeled In/Out 
 
    -  Color: Grey 
 
    -  Century 300 Series 
 
    -  Holmes 400 Series 
 
    -  Vulcan 804 
 
    -  Vulcan 806 
 
    -  Vulcan 807 
 
    -  Century Modular 211
 
    -  Product Dimensions: 1.55"L x 1.38"W x 1.38"H 
 
    -  Inner Diameter: 0.3" 
 
    -  Outside Diameter: 1.38"