▶ Model:3.175 double edge straight groove sharp knife
▶ Material: tungsten steel blade / 45 steel shank
▶ Purpose: Lettering, relief
▶ Feeding suggestion: the feeding speed is 3-4 M / min
▶ Actual setting: 99% - 100%
▶ Speed suggestion: spindle speed 18000-20000 rpm
▶ Applicable materials: solid wood, hardwood, MDF, mahogany and other wood