The CAT DX41B 18V 1 FOR ALL Cordless Oscillating Multi-Tool with Brushless Motor was born from superior engineering and next-generation battery technology. The result is a cordless oscillating multi-tool that boasts outstanding performance and lives up to the legendary Cat reputation for quality and durability. Made specifically to be the professional user’s oscillating multi-tool, with the power and functionality to handle every common multi-tool application, and the rugged construction to take on tougher jobs. The Cat Cordless Oscillating Multi-Tool was built with a high-efficiency brushless motor that provides 25% more power, 50% more run time and 10% longer life than comparable multi-tools with brushed motors. And it runs on the revolutionary 18V 1 FOR ALL battery platform which features cutting-edge advancements in battery tech for more performance and run time. This model doesn’t come with a battery, but that’s by design. It’s meant for existing Cat 1 FOR ALL users that already have a battery or two to use with this tool. Every 18V 1 FOR ALL battery runs every tool on the platform, saving time and money in the long run. Innovative ergonomic design makes this multi-tool easier on the user, too, even for extended periods during the toughest applications. Cat Tools are made for the pros, with advanced features and capabilities that add up to higher productivity and extended run times, with less operator fatigue and reduced downtime. Let’s Do The Work.