Bosch 1-3/4 in. Carbide Plunge Blade features the innovative Bosch Starlock® oscillating multi-tool accessories system, designed to deliver a three-dimensional fit that ensures a fully integrated connection between the multi-tool and the accessory. This advanced design a new level of torque transfer for oscillating multi-tools, utilizing a three-dimensional shape instead of a flat interface to provide the highest torque, reduced vibration, and enhanced performance for demanding applications. These blades maintain compatibility with OIS® systems and fit both existing tools and the latest high-performance Starlock® tools. Crafted in Switzerland, Bosch multi-tool accessories are known for precision accuracy and durability, making them i for professional use. Bosch continues its tradition of innovation with the Starlock® interface, setting the new professional standard for oscillating multi-tool systems. Model Number: