Check the listing for details. 20lbs Silicon Carbide 60/90 Coarse Rock Grit Stage 1. Condition: New. Listed at 112.00 USD. 36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sanitized-data-sheets-value="{"1":2,"2":"36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}" data-sanitized-data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}">60/90 Grit Silicon Carbide. Comes with FREE Polishing Instructions. 36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sanitized-data-sheets-value="{"1":2,"2":"36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}" data-sanitized-data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}">Black silicon carbide coarse grit used during the first stage of tumbling. This grade can also be used to make beach sea glass.36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sanitized-data-sheets-value="{"1":2,"2":"36 Grit Silicon Carbide Comes with FREE Polishing Instructions Black silicon carbide extra coarse grit used during the first stage of tumbling."}" data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}" data-sanitized-data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}">*Reliable US company producing highest quality products for over 20 years. We also offer the most versatile tumblers on the market today.