Specification Brand : Tomantery BulletPoint1 : Has 3 Flute Head: The curved 3 flute design has great sharpness, which also enables quick removal to largely improve your woodworking. BulletPoint2 : High Speed Steel: Adopting premium high speed steel with great strength and durability with heat, as well as long term use. BulletPoint3 : Easier Engraving: The engraving drill is suitable for carving deep slot, , curved lines, various patterns, etc., good crafting. BulletPoint4 : 7 Pieces in Pack: Comes with 6mm universal shank, the carving tool has different head size of 3mm, 4mm, 5mm, 6mm, 8mm, 10mm and 12mm. BulletPoint5 : Wide Application: Allows for wide application on a variety of materials, including but not limited to wood, acrylic, soft metal, etc. ItemName : Engraving Bit, High Speed Steel Wood Carving Bits 7pcs Heavy Duty Various Head Sizes for Acrylic ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : wood-drill-bit-sets Manufacturer : Tomantery ModelNumber : Tomantery8g1o92tg5d NumberOfItems : 1 PartNumber : Tomantery8g1o92tg5d ProductDescription : 1. Easier Engraving: The engraving drill is suitable for carving deep slot, , curved lines, various patterns, etc., good crafting. 2. Has 3 Flute Head: The curved 3 flute design has great sharpness, which also enables quick removal to largely improve your woodworking. 3. 7 Pieces in Pack: Comes with 6mm universal shank, the carving tool has different head size of 3mm, 4mm, 5mm, 6mm, 8mm, 10mm and 12mm. 4. High Speed Steel: Adopting premium high speed steel with great strength and durability with heat, as well as long term use. 5. Wide Application: Allows for wide application on a variety of materials, including but not limited to wood, acrylic, soft metal, etc.