General description This is a 12-inch (300mm) extension bar designed for use with various hole saw arbors. It allows for increased reach and flexibility during cutting tasks. The extension is compatible with multiple arbor models, ensuring broad compatibility for different tools and applications. Technical specifications Length: 300mm (12 inches) Suitable Chuck Size: 9.5mm (3/8 inch) Material: High-Speed Steel (HSS) Item Number: A15 EAN: 0049659566512 Compatibility and accessories Compatible with A1, A10, A17-38, XA1, XA10 arbors Suitable for use with various hole saw arbors from Starrett and other brands Installation Insert the extension bar into the arbor's chuck, ensuring a secure fit Use appropriate tools to tighten and secure the extension in place Usage Use the extension to increase the reach of your hole saw or cutting tool Ensure the extension is properly secured before operation to prevent accidents Other information Designed for professional and DIY use in drilling and