[Size of Carbide Cutter]: Industry standard 15mm(L) x 15mm(W) x 2.5mm(T) with 4-inch face radius R100mm, 4 indexable cutting edges, 30-degree cutting bevel. Each insert can be rotated to a new sharp edge up to three times, reducing the need for frequent knife changes and readjustments when the blade becomes dull. [Carbide Inserts Application]: These indexable carbide inserts are compatible with Byrd Shelix spiral/helical planer cutter heads and full-size wood lathe turning roughers. Provides quick and efficient cutting performance. [Affordable and Durable]: Carbide inserts made from K10 solid tungsten carbide offer double the lifespan compared to standard carbide and increased hardness by 30%. These inserts provide stability, durability, and long-term reliability. [Finish]: High-precision inserts enhance oxidation resistance and corrosion resistance, delivering a superior surface finish and quieter operation. Material: Carbide Color: Silver Package Contents: 10 x 15 x 15 x 2.5mm R100 square replacement carbide inserts 10 x professional M6 screws Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.