Features: brand new and high quality 4-indexable cutting edges,15mm length, 15mm width ,2.5mm Thickness, square straight ,30° Cutting angle. Made of solid tungsten carbide, providing you excellent experience for smooth cutting. Machined by 5-Axis grinder and polish to mirror finish to offer high grinding accuracy and LOWER using noise and long service life. Easy to operate and replace cutting edges and inexable cutter inserts woodworking excellent accessory. Square Carbide inserts for woodturning fits for DIY woodworking lathe wood tools.Apply to work general purpose wood, chipboard, plywood,particle board,MDF,etc. Specifications: Material: Tungsten Carbide Cutting angle: 30° Size: Approx.15mm/0.59inches Package Includes: 1 Set Carbide Cutters note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.