Description Shipping & Returns Specs Description Details Hercules 40210 Dark Cutting Oil Contains activated sulfur-lard and extreme pressure-antiwear additives. Contains no nitrosamine-forming compounds or chlorine additives. Excellent lubrication for cutting sharp threads. NSF registered/USDA authorized. Shipping & Returns Specs Manufacturer: Hercules Part Number: 40210 Customer Reviews 0 Reviews Write a Review This product hasn't received any reviews yet. Be the first to review this product!