The Norton Crystalon JB45 Combination Abrasive Stone features a dual-grit design with a coarse side and a fine side, allowing users to move from material removal to honing in a single tool. Made with Crystalon silicon carbide abrasive, it is well-suited for sharpening a wide range of tools including chisels, knives, and plane blades.
Measuring 5 x 2 x 3/4 inches, this combination benchstone offers a generous sharpening surface for both shop and field use. Its durable construction and versatile two-grit format make it a practical addition to any toolbox, maintenance kit, or workbench.