Bosch 1-1/4 in. Bi-metal Xtrclean Plunge 3-Pack features Bosch Starlock® oscillating multi-tool accessories that deliver a three-dimensional fit designed to provide a completely integrated system between the multi-tool and accessory. This innovative design a new dimension in torque for oscillating multi-tools by utilizing a three-dimensional shape instead of a flat interface, which ensures the highest torque transfer, reduces vibration, and allows for higher performance applications. These accessories remain OIS® compatible, fitting both existing tools and the next generation of high-performance Starlock® tools. Crafted in Switzerland, Bosch multi-tool accessories are made for precision accuracy and long life, even in the most demanding professional environments. Bosch continues its legacy of innovation with the Starlock® interface, establishing a new professional standard in oscillating multi-tool systems. Model Number: