Check the listing for details. Silicon Carbide (60/90) Blend Rock Tumbling Grit 7.0 OZ.. Condition: New. Listed at 9.49 USD. If you need a single coarse tumbler grit of Silicon Carbide (60/90) for your coarse grinding projects. The material can be used in rotary tumblers, for lapping and other grinding applications. The package is a convenient and inexpensive way to get a good amount of Silicon Carbide grit. Again, we maximize the amount of grit you will receive in this listing in a way to save by getting more product, and the shipping - it's free!. The following item is included: One 7.0 ounce package Coarse Silicon Carbide 60/90 blended grit The abrasive media is shipped on the same business day you order in a plastic resealable bag. This product is made in the USA and the quality is of the highest industry standard. We offer many other Rock Tumbling Grit Supplies here! Let's Keep on Grinding!