NATIONAL GEOGRAPHIC Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds of Rocks

NATIONAL GEOGRAPHIC Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds of RocksHIGH QUALITY This rock polisher grit refill pack comes with enough high quality silicon carbide grit to put a dazzling polish on approximately 8 10 lbs. of rocks, gems, glass, and more EASY TO USE FOUR STAGE ROCK GRIT The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre polishes rocks, and the fourth provides the final polish COMPATIBLE WITH ALL TUMBLERS This complete 4 step rock tumbler grit

• HIGH QUALITY – This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on approximately 8-10 lbs. of rocks, gems, glass, and more
• EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish
• COMPATIBLE WITH ALL TUMBLERS - This complete 4-step rock tumbler grit refill kit works with all rock tumblers. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies
• EASY TO MEASURE AND STORE - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure
• SATISFACTION GUARANTEED – The National Geographic STEM series provides high-quality products that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you