It has an all metal keyed chuck for maximum durability and bit retention, for added convenience it also has an on-board chuck key holder. The POWERSTATE® brushless motor delivers better performance than corded drills, especially under heavy load. REDLINK PLUS™ Intelligence is the most advanced electronic system on the market, preventing damage to the tool and battery caused by overloading or overheating. Bare Unit, No Charger or Battery Supplied. Specification No Load Speed: 0-1,200/min.Chuck Size: 13mm.Capacity: Wood: Auger Bits: 38mm, Self-Feed Bits: 50mm.Length: 431.8mm.Weight: 3.3kg.