The Set includes: Aluminum primer, 50 ml, for preparing the bluing of aluminum. It removes invisible oxide layers on the surface of aluminum. Preventive sanding is not necessary. It reaches difficult and angled corners, improving the result of the bluing. Application: apply the primer to the areas to be blued with a brush or cotton swab, let it act for 20-30 seconds, and blue within a maximum of 10 minutes. Aluminum bluer, 50 ml, bluing with black painting. Touch-up spots of rubbing are retouched. Easy to use. Degrease and clean the surface, apply the liquid evenly and let it sit for 20-30 seconds, then blot and reapply. After 3-4 times, rinse with water and then store. Important: do not use at temperatures below 20° C. Gunex Oil for firearms, 50 ml, to be applied to maintain bluing, and it also contains 2 pairs of disposable nitrile gloves, 2 brushes made of goat hair, 2 cleaning cloths. Gross weight: 261 grams. Product Made in Germany.