With key only The HYPER-TOUGH Variable Speed AQ25018A 1.5-Amp Rotary Tool is a powerful corded electric rotary tool with a maximum speed of 35000 RPM. It features a lithium-ion battery technology, keyless chuck size of 1 1/4 inches, and a variable speed feature for precise control. This tool, in a sleek red color, is ideal for various home and workshop projects and is backed by the HYPER Tough brand, known for its durability and performance. Perfect for DIY enthusiasts and professionals alike, this rotary tool is a versatile and reliable tool for any project.