Silicon Carbide 400/600 Pre-Polish Rock Grit Stage 3, FREE SHIPPING! – MJR TUMBLERS

400/600 Grit Silicon Carbide. Comes with FREE Polishing Instructions. Black silicon carbide pre-polish grit used during the third stage of tumbling.  *Reliable US company producing highest quality products for over 20 years. We offer the most versatile tumblers on the market today.

400/600 Grit Silicon Carbide. Comes with FREE Polishing Instructions. Black silicon carbide pre-polish grit used during the third stage of tumbling. 

*Reliable US company producing highest quality products for over 20 years. We offer the most versatile tumblers on the market today.

MJR Tumblers 5 LB per Polish 60 90 Silicon Carbide Rock Refill

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MJR Tumblers 5 LB per Polish 60 90 Silicon Carbide Rock Refill

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These silicon carbide abrasives have sharp, hard grains for fast cutting. Smash those corners and points in the tumbler, wipe out saw marks on the

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