Specification Brand : Gearwell BulletPoint1 : High Efficiency: This air power drill features a decentralized shank exhaust that drains the work environment, eliminates clutter and improves work efficiency. BulletPoint2 : Excellent Aluminum Material: This pneumatic drill tool is made of excellent quality aluminum material for the casing, ensuring user comfort and tool durability. BulletPoint3 : Industrial Quality Keyed Chuck: The chuck capacity of this pneumatic drill is 1/2 inch, providing performance for various tasks. BulletPoint4 : Convenient Forward and Reverse Switch: Equipped with a built in forward and reverse switch, this air power screwdriver drill is very easy to operate. BulletPoint5 : Wide Application: This pneumatic drill has a wide range of applications, which can be used for mechanical assembly, automobile manufacturing, airplane manufacturing, bike assembly, removing screws and so on. ItemName : Gearwell Pneumatic Drill, 12 Inch Reversible Air Drill, Adjustable Speed Power Screwdriver, Air Powered Hand Drill for Metal Wood Plastic ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 24 centimeters ItemPackageDimensions_Width : 20 centimeters ItemTypeKeyword : hammer-drills Manufacturer : Gearwell Material : aluminum ModelName : Gearwelliyrza85upc ModelNumber : Gearwelliyrza85upc PartNumber : Gearwelliyrza85upc ProductDescription : Item Type: Pneumatic Drill Material: Aluminum Model: 1/2 Air Drill Air Inlet: 1/4in Type: With Built In Forward and Reverse Switch Chuck Capacity: 1/2in (Approx. 1.5-13mm / 0.06-0.51in) No Load Speed: 800rpm