With 20% concentration of diamond powder, Burrfection Diamond Paste Stropping Compound can be used for polishing knives after sharpening. Packaged in a 5g syringe, the paste can be conveniently applied onto the surface of a leather strop.The 4 micron / 5000 grit paste (green syringe) removes scratches on the blade; the 2.5 micron / 9000 grit Paste (red syringe) creates a delicate semi-glossy finish; and the 1 micron / 14000 grit Paste (blue syringe) creates an ultimate mirror finish when loaded onto a premium leather such as the Equine or Shell Cordovan. Save 20% when you buy a full set. Spec Material: Diamond Powder (Concentration: 20%) Contents: 5g (0.176oz) Micron / Grit Level Green: 4 Micron / 5000 Grit Red: 2.5 Micron / 9000 Grit Blue: 1 Micron / 14000 Grit Container: Plastic Syringe Care Wash hands and face thoroughly after use. Avoid contact with skin and eyes. Store in a dry, well-ventilated place where sunlight can not be directly exposed, away from heat, ignition sources and incompatibilities. Caution Harmful if swallowed. May be harmful if inhaled or in contact with skin. May cause eye irritation. Keep away from children and domestic animals. First-aid measures.