10PCS 7/8 Inch to 3/8 Inch Saw Blade Bushings 1.0mm thickness

Converts 7/8"(22.2mm) arbor to 3/8"(9.5mm) arbor
The error range is less than or equal to 0.5mm
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
The inner hole of this bushing is for 9.5mm shaft, not 10mm arbor, please notice the arbor of machine