10PCS Saw Blade Bushings – 5/8″ to 1/2″ Brass Ring Adapter Thickness of 1.0mm by
Bushings are made with Brass, about 1.0mm thickness. The thickness of the saw blade must be greater than or equal to the reducer washer. Converts 5/8″(16.00mm) arbor to 1/2″(12.7mm) arbor. The error range is less than or equal to 0.5mm.