Bosch 2609390034 HSS-G Standard Hole Saw Arbour with 5/8in Hex Shank 32-210mm The Bosch 2609390034 Hexagon Adaptor is designed for use with Standard Hole Saws with diameter 32-210mm. It connects the hole saw to the power tool with a mandrel and is suitable for use with all corded and cordless drill drivers. Features: Hexagon Adapter connects the hole saw to the power tool Suitable for use with all corded and cordless drill drivers HSS-G is strong, durable and long lasting Specification: Fits Hole Saws: 32-210mm Shank Size: 11mm Shank Type: Hex