Shell Shock is a heavy duty industrial hand cleaner that utilizes the natural cleaning power of soy and walnut shells to clean the toughest grime and grease. Its is enriched with skin softening ingredients to leave hands soft. Shell Shock is an environmentally-conscious choice that uses the renewable resources of soy-based solvents and walnut shells. D-4000 Constructed of anodized aluminum and reinforced nylon for a durable, versatile unit that is nearly indestructible. The stainless steel pumping mechanism is resistant to corrosion, rust and abrasion.