Features: Cutting sharp, smooth rotation, brisk operation. High hardness, good wear resistance, greatly improve the lifespan. Applicable models: the engraving machine, trimmer. The main function: trimming, three-dimensional clearance angle, slotted. Scope: wood, hardwood, particleboard, MDF, acrylic. Specifications: Condition: New Material: Alloy blade, carbon steel handle Total length: 62.4mm Shank diameter: 1/4"(6.35mm) Blade diameter: 12.7mm Blade length: 25mm Bearing: 12.7mm Package Include: 1 x Woodworking Milling Cutter Note: At the trepanning, please wear good protective measures ,in case of wood chips splash damage eyes. Size for manual measurement, there may be a 0 to 5 mm error, belongs to the normal phenomenon. 1Cutting sharp, smooth rotation, brisk operation 2High hardness, good wear resistance, greatly improve the lifespan 3Applicable models: the engraving machine, trimmer 4The main function: trimming, three-dimensional clearance angle, slotted 5Scope: wood, hardwood, particleboard, MDF, acrylic