Manufacturer Part Number: 0BC51/AMT|Knob Type|StarType|Knob Material|AluminumNumber of Points|5Head Diameter (mm)|50.00Head Diameter (Inch)|Head Diameter (Decimal Inch)|1.9700Head Height (mm)|Head Height (Inch)|Head Height (Decimal Inch)|Stem Size|Thread Length (Inch)|Thread Length (Decimal Inch)|Thread Length (mm)|Material Grade|Top Hole Size (mm)|Top Hole Size|Spoke Diameter|Hole Size|Hole Depth (Inch)|Hole Depth (mm)|Hole Depth (Decimal Inch)|Hub Diameter (Inch)|Hub Diameter (Decimal Inch)|0.7100Hub Diameter (mm)|Hub Height (Decimal Inch)|0.6300Hub Height (mm)|Hub Height (Inch)|Overall Height (Inch)|Overall Height (Mm - 5 Decimals)|Overall Height (Decimal Inch)|1.3000Finish|Matte; TumbleScrew Length (mm)|Color|Set Screw Size|Head Thickness|Overall Length (Inch)|Thread Size|Length Under Head (Decimal Inch)|Product Service Code|5340UNSPSC Code|31162801