Super Rod Hole Enlarging Arbor Super Rod SRDA2 Avoids the use of separate A1 & A2 arbors with this Innovative 2-in-1 tool Compatible with traditional hole saws 14 mm - 210 mm allowing for a wider range of applications Solution to upgrading existing downlighters or fixing any wrong size holes Saves time and provides a professional finish rather than using traditional pad saws Features two longer pins preventing both hole saws seizing together Tool less quick release arbor allowing for instant change of hole saws No attachment or assembly required The Super Rod SRDA2 Hole Enlarging Arbor offers a 2-in-1 solution for users with traditional hole saws from 14 mm to 210 mm. It eliminates the need for separate A1 & A2 arbors, and the longer pins prevent both hole saws from seizing together. This tool also features a tool less quick release arbor for instant change of hole saws, saving users time and providing a professional finish. No attachment or assembly is required, making upgrading downlighters or fixing wrong size holes easier than ever. Brand Super Rod Colour Black Diameter 40mm Dimensions 150mm(l) x 40mm(dia) Drill Shank Type 12mm Hex Kit Contents 1 x Arbor, 1 x Centre Drill (6.3mm x 82mm) Length 150mm Suitable for Holesaws Ø14 to 210mm