Hapstone Ruby Ceramic Extra Fine Stone (Lapped/Ready)

  This stone is ready to use straight out of the box. We've made sure it's lapped (silicon carbide powder) and has minimal chamfers. No need to spend time prepping – just install it in your Hapstone sharpener and enjoy the sharpening process! Features: Extremely hard: the stone hardly wears down over time. Extra-fine grit: provides a super finish for the cutting edge (approximately 3000 JIS). Ready to use: lapped and with minimal chamfers. Versatile: compatible with all Hapstone sharpeners. Lubricants: The stone can be used with a variety of lubricants: Hapstone/Norton/Boride oil Refined olive oil Oleic acid Water Specifications: Product size: 160 x 25 x 9 mm (6" x 1" x ⅓") Working surface: 150 x 25 x 6 mm (6" x 1" x ¼") Weight: 70 g (2.5 oz) Abrasive: Alumina Ceramic Extra materials: Aluminum Blank, 3M PSA