The most popular arbor designed for use with Bi-Metal hole saws ranging from 32mm to 210mm. This Quick Hitch Arbor is ideal for efficient and versatile hole cutting. Features: Quick Hitch Mechanism : Allows for instant change of hole saws without the need for tools or removing the arbor from the chuck. Pilot Drill : Includes a 6.35mm (1/4") high-speed steel pilot drill for accurate starting. Hex Shank : Features a 11mm (7/16") heavy-duty hex shank for a secure fit in the chuck. Adjustable : Set screw in the body for easy replacement of the pilot drill. Specification: Diameter Range : Fits hole saws from 32mm to 210mm (1.1/4" - 8.9/32"). Screw Thread : 5/8" - 18. Compatibility : Suitable for use with all brands available in the UK. Material : Heavy-duty construction for durability and long-lasting performance. Brand : Abracs