Feature: 1. Handheld operation is flexible and convenient. 2. The air intake filter is designed to effectively filter impurities. 3. Adjustable self-locking chuck with adjustable clamping. 4. High quality gears, wear resistance, free control speed, easy alignment, high strength and safe production. 5. With a force of 1.5-10 mm, it can hold drill bits, screwdrivers, grinding heads, engraving k-nife, steel brushes and abrasive cloth. 6. It is suitable for strong drilling and threading of metal and plastic products. Specification: Condition: 100% Brand New Item Type: Pneumatic Drill Color: Shown as Picture Material: Stainless Steel Maximum Drilling Diameter: Approx. 10mm/0.4in Chuck Size: Approx. 1.5-10 mm/0.06-0.4in No-load Speed: 22000rpm Working Pressure: 5-7kgf/cm2 Recommended Gas Supply: 90 psig Air Inlet Size: Approx. 1/2 (inch) Recommended Tracheal Diameter: Approx. 3/8in . Package List: 1 x Pneumatic Drill1 x 1/3in Bayonet Quick Connector1 x Chuck Wrench Note: 1. Please allow free operation for a few seconds after oiling.2. Please apply oil 3-5 times a day. The oil supply method is to inject 0.5cc oil from the air inlet.3. Please use 15 pneumatic tool oil.