• High-performance bimetal hole saw with a cutting diameter of 135 mm. • Made of high-quality M42 high-speed steel with cobalt, offering high resistance to corrosion and abrasion. • Includes HSS 4341 centering drill bit with integrated spring that pushes out chips and reduces vibrations. • Electron beam welded saw blades to ensure a sharp, precise, and durable cut. • Versatile tool suitable for drilling wood, gypsum board, PVC, plastic, and thin aluminum sheets. • Compatible with conventional electric drills, cordless drills, and bench drills.