Feature: 1. Wide range of applications. Suitable for chamfering common machine parts. 2. Also suitable for chamfering and deburring precise and difficult chamfering parts. 3. Suitable for aviation, automotive industry, electric valve, engine cylinder block, cylinder, ball, wall hole. 4. Can finish the conical surface processing once. For small cutting output. 5. Unique one‑piece design can help efficient operation, can will reduce the blocking to delay the working. Specification: Condition: 100% Brand New Item Type: Chamfering Material: Tungsten Steel Color: Plating Blue Size: Approx. 6.3mm / 0.25in 8.3mm / 0.33in 10.4mm / 0.41in 12.4mm / 0.49in 16.5mm / 0.65in 20.5mm / 0.81in. Package List: 6 x Chamfering End Mill