General description Designed to fit holesaws ranging from 32mm to 210mm, the A2 Arbor is a versatile tool that enhances your drilling capabilities. It is compatible with holesaws H0114 to H210 mm, making it suitable for various applications. Technical specifications Compatible with holesaws from 32 mm to 210 mm Includes sizes H0114 - H210 mm Drill sizes: 1.1/4 - 8. 9/32in