[ Size ] - Shank Diameter: 1/4", Head Diameter: 25mm/1 inch, Total Length: 50mm/1.97 inch; Grinding Head Material: Aluminium Oxide. [ Material ] - This corundum grinding stone has high hardness, toughness, and good stability.
[ Size ] - Shank Diameter: 1/4", Head Diameter: 25mm/1 inch, Total Length: 50mm/1.97 inch; Grinding Head Material: Aluminium Oxide. [ Material ] - This corundum grinding stone has high hardness, toughness, and good stability.