[ Size ] - Shank Diameter: 1/4", Head Diameter: 16mm/0.63 inch, Total Length: 54mm/2.13 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: 16mm/0.63 inch, Total Length: 54mm/2.13 inch; Grinding Head Material: Aluminium Oxide. [ Material ] - This corundum grinding stone has high hardness, toughness, and good stability.