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. Precisions engineered with plated surfaces and vibrations dampening design, the arbors reducer adapter ensures secure attachment while maintaining cutting accuracy across multiple applications. Ideal for construction professional, woodworkers, and DIYer enthusiasts requiring conversion for major cutter brands. Perfect for concrete cutting operations, removal projects, or woodworking tasks where 20mm arbors compatibility is essential for optimal sawer . Designed to work with segmented , welded cut off wheels, and green concrete sawer, this diameter reducer set serves as a universally adapter for cutting requirements.