Preyda
RH Preyda Replacement Stone for PS30329 - Aluminum Oxide Fine, Medium & Coarse
RH Preyda Replacement Stone for PS30329 - Aluminum Oxide Fine, Medium & Coarse
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8"x1 5/8"x1/2" (203.20 x 41.275 x 12.7 mm), Aluminum Oxide Replacement Stone of Product PS30329 in individual cardboard box
RH Preyda Replacement Stones are available in two sizes to fit your preferred Triad Sharpening System. Choose from Synthetic, Aluminum Oxide or Natural, Hard Black Arkansas.
**Grit ranges shown are not a true grit size of the crystalline that makes up Novaculite.
Soft Arkansas: (medium density)
Considered the coarsest of the Arkansas sharpening stones. This stone will provide the initial edge and first level of polishing, but is primarily used for sharpening.
Hard Arkansas: (fine density)
The recommended stone for work that requires a smooth polish, but not the finest polish. This stone will provide a final hone and polish edge.
Black Arkansas: (extra fine density)
Harder and finer than Hard Arkansas. Not as pure black as Surgical Black Arkansas. Coloration is more dark grey than black. This stone will polish finer than Soft and Hard Arkansas stones.
Surgical Black Arkansas: (ultra fine density)
The hardest and finest of the Arkansas sharpening stones. Prized by machinists, tool and die makers for its precision honing and polishing capabilities. Also used for testing gold content.
Translucent Arkansas: (x-ultra fine density)
The rarest of Arkansas sharpening stones. Translucent stones in their purest form are white. Translucent stones may contain shades of pink, yellow, and grey. The Translucent sharpening stone produces the highest polished, razor edge.
RH Preyda Replacement Stones are available in two sizes to fit your preferred Triad Sharpening System. Choose from Synthetic, Aluminum Oxide or Natural, Hard Black Arkansas.
Made in the U.S.A.
Sizing:
- Fine Stone: 320 grit - 8 x 1 5/8 x 1/2 in (203.2 x 41.3 x 12.7 mm)
- Medium/Corse Stone: 120 grit - 8 x 1 5/8 x 1/2 in (203.2 x 41.3 x 12.7 mm)
Arkansas Stones By Type
All Arkansas sharpening stones are graded by their own unique density.
Because Arkansas Stone is a natural product, colors and patterns will vary across each stone.
| RH PREYDA NATURAL STONE | RH PREYDA ARKANSAS WATER STONE |
|---|---|
| Soft Arkansas | 400-600 grit |
| Hard Arkansas | 800-1,000 grit |
| Hard Black Arkansas | 2,000-3,000 grit |
| Surgical Black Arkansas | 4,000-6,000 grit |
| Translucent Arkansas | 8,000-10,000 grit |
*This chart exemplifies our scale by which find RH Preyda natural Arkansas Stone to be comparable in performance to synthetic stone grit levels.
**Grit ranges shown are not a true grit size of the crystalline that makes up Novaculite.
Soft Arkansas: (medium density)
Considered the coarsest of the Arkansas sharpening stones. This stone will provide the initial edge and first level of polishing, but is primarily used for sharpening.
Hard Arkansas: (fine density)
The recommended stone for work that requires a smooth polish, but not the finest polish. This stone will provide a final hone and polish edge.
Black Arkansas: (extra fine density)
Harder and finer than Hard Arkansas. Not as pure black as Surgical Black Arkansas. Coloration is more dark grey than black. This stone will polish finer than Soft and Hard Arkansas stones.
Surgical Black Arkansas: (ultra fine density)
The hardest and finest of the Arkansas sharpening stones. Prized by machinists, tool and die makers for its precision honing and polishing capabilities. Also used for testing gold content.
Translucent Arkansas: (x-ultra fine density)
The rarest of Arkansas sharpening stones. Translucent stones in their purest form are white. Translucent stones may contain shades of pink, yellow, and grey. The Translucent sharpening stone produces the highest polished, razor edge.
