Bosch 2608584105 HSS-Bimetal Hole Saw 25mm The 2608584105 Hole Saw from Bosch offers smooth, efficient cutting through a variety of materials including wood, metal and PVC. It glides through the material with ease, creating smooth cuts thanks to its Vario tooth strip configuration. The bi-metal HSS construction contains 8% cobalt alloy for long-lasting cutting performance. Features: Smooth cutting through various materials such as wood, aluminium and PVC The tooth configuration (Vario tooth strip) is ideal for gliding through the material to provide smooth cuts Made of bi-metal HSS (high-speed steel) containing 8% cobalt alloy for less risk of tooth breakage and higher heat resistance for long-lasting cutting Fits all standard adapters on the market - suitable with Arbour Specification: Diameter: 25mm/ 1\" Working length: 44mm