Item Name: Chamfering Machine Material: Cemented Carbide, Cast Aluminum Chamfering Ability: C0.1-C1.5 No-Load Speed: 30000rpm Chamfering Hole Diameter: 7mm/0.28" (Approx.) Adjustable Depth: 0.1mm - 0.9mm/0.004" - 0.04" (Approx.) Air Inlet Connector: 1/4" Feature: Mini Size, Comfortable Grip, High Efficiency, Hardware Tool Chamfering Machine Size: 12cm x 5.8cm x 4.8cm/4.72" x 2.28" x 1.89" (Approx.) Specifications: This machine made from high quality metal material is sturdy and durable for long service life. 1/4" air inlet connector with a metal filter helps to prevent the ingress of foreign bodies. There are 5 levels of air inlet amount for free adjustment according to different angles. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Chamfering Machine (Including 2Pcs Milling Blades) 1 x Air Inlet Connector 2 x Allen Wrenches