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This is the larger of the two pulleys on your base unit
MJR Tumblers Grit Enhancer can also be used to thicken slurry for your softer stones like obsidian
sprinkle Grit Enhancer then add grit and mix
Helps replace volume as you lose rock volume while tumbling
We offer the most versatile tumblers on the market today
Drive Rod Pulley Base Size:Large 19 Inch Base Tumbler This is the larger ofThis is the larger of the two pulleys on your base unit. There are two different sizes, one for a large base unit which has a 1 2" bore hole in the center for the 1 2" drive rod. The second pulley is for the medium base unit which has a 3 8" hole in the center for a 3 8" drive rod.
