Name: Grooving Cutter Set Material: High Speed Steel Shipping Quantity: 1 set of 10 pieces Color: silver Uses: suitable for electric trimmers, wood trimming, groove milling, etc. Product size: as shown Diameter of the shank is 3mm (1/8inch), total length is 40mm, user-friendly design and easy insertion process. These rotary cutters are made of high quality high speed steel for long life and exceptionally precise cuts the first time, saving you energy and stress 10 pcs of the hottest types of rotary cutters commonly used including straight, cutting edge, v-groove, beading, groove, slotting cutter and more to meet your different needs Large capacity chip groove and spiral sharp blade greatly improve the efficiency and product quality Using for engraving on a wide range of materials including: wood, ABS, acrylic, PVC, plastic, etc