This is a M6 or 6MM X 1.00 (thread pitch) X 20MM (length) Metric Allen Head Cap Screw replacement for AFC housing screws on Dodge Cummins 12 Valve. Also suitable for many uses in automotive, motorcycle, industrial, or home use. Zinc Finish is suitable for outdoor use. PACK OF 10. Picture shown is for identification purposes only. Zinc finish is silver to gray in color and may be dull to slightly glossy and varies from batch to batch.