Feature: More stable speed, Taiwan bearing accessories, high frequency chamfer resistance, high assembly accuracy, long service life. Small diameter grinding plate can grind narrow space without leaving dead angle. Light weight hand tool adopts elbow design with easy operation, which greatly improves work efficiency. It is made by precision technology, with excellent performance, better cutting effect and smoother effect. Chamfering machine is with practical adoptability, which keep its high performance for a long time. Specification: Type:Chamfering Machine Material: Metal Color: As the picture Size: about 15x6x4.8cm Idle speed: 30000 rpm Chamfer capacity: C0.1- C1.5 Adjustable depth: 0.1mm-0.9mm Chamfering hole diameter: ≧ 7mm Air Connection: 1/4 " Using pressure:87 PSI Package : Set1: 1 x Chamfering Machine 2 x Wrench ; 2x Replacement blade 2 x Bearing 1 x Quick Connect