Our OPEN-LOK™ Blade Adapter 5 Pack is for Dremel Multi-Tool Models MM45 and MM50. The MILWAUKEE® Multi-Tool Blade Adapter is only needed for use with the Dremel Brand multi-tool models MM45 and MM50. It is not required for any additional brands or models. The raised adapter shape design allows you to easily install and remove. Our Blade Adapter is designed and made in the USA. Key Features Adapter For Use With Dremel Oscillating Multi-Tool Models MM45 and MM50 Provides More Secure Fit on Dremel Oscillating Multi-Tool Clamping Bolt Raised Adapter Shape For Easy Installation and Removal Made From Steel Protective Black Oxide Coating Replacement Adapters In Case You Lose The Included Adapter With Your Milwaukee® OPEN-LOK™ Blade Purchase Not Required for Any Additional Brands or Models Not Compatible with Starlock Designed and made in the USA