Ideal for construction professional, woodworkers, and DIYer enthusiasts requiring conversion solution for major cutter brands Designed to work with segmented welded cut off and green concrete sawer, this diameter reducer set serves as a universally adapter solution for cutting requirements Precisions engineered with plated surfaces and vibrations dampening design, the arbors reducer adapter ensures secure attachment while maintaining cutting accuracy across multiple applications This 5 pack reducer rings adapter seamlessly converts 1" arbors hole sawer to 20mm shaft compatibility, featuring aluminum alloy construction for professional cutting tools like TS350/TS760 models Perfect for concrete cutting operations, removal projects, or woodworking tasks where 20mm arbors compatibility is essential for optimal sawer, Manufacturer: HENYGEN