Custom size tonearm base spacer holder 15-30.5mm for sme adapt for turntable

We can customize the aperture according to your tonearm diameter.
High precision processing and manufacturing of all aluminum alloy material.
Measure the diameter below the tonearm with a vernier caliper and let us know.
The customizable aperture range is 15-30.5mm.
The four installation screw holes match the size of the SME tonearm installation position.
There are two colors to choose from, silver and black.