The Dremel EZ402 Ez Lock Rotary Tool Mandrel is designed for optimal performance with Dremel Rotary Tools. With a 1/8 inch chuck size and overall length of 1 1/2 inches, this mandrel is perfect for precise and efficient cutting. The EZ Lock feature ensures quick and easy bit changes, making it a convenient addition to any workshop. This high-quality mandrel is backed by a 1-year manufacturer warranty and is the ideal accessory for any Dremel rotary tool.