This is a newer style Miller Industries Control Handle Knob (older Style #
12-0301428). It is grey in color and is labeled "Up/Down" for wheel lift extend
operations. See Features for related wreckers and Brochures for reference
charts.
Labeled Up/Down Color: Grey Holmes 400 Series Product Dimensions: 1.55"L x 1.38"W x 1.38"H Inner Diameter: 0.3" Outside Diameter: 1.38"