These are excellent multi-purpose ceramic abrasives.  The material is self-sharpening, and its long life, uniform cutting action is the best in the industry.

Included in the kit:

• 3 x 3M Cubitron I Abrasives - 220 Grit
• 3 x 3M Cubitron II Abrasives - 120 Grit
• 3 x 3M Cubitron II Abrasives - 80 Grit

Automotive applications: Perfect for shaping metal, de-burring tubing and any custom metal fabrication.

Jewellery applications: Jewellers also prefer this material for its performance on precious metals, including grinding sprues off of raw castings.

Woodworking applications: Great for regrinding tool edges that have been damaged or rounded over: chisels, woodturning tools, counter-sinks, drill bits, etc. Its aggressive bite & non-loading properties are ideal for sanding wood as well as for use on various non-ferrous & tool steels.