"GrooveMaster tonearm length" is a required field.
"Choose your GrooveMaster color" is a required field.
"GrooveMaster mounting options" is a required field.
This sliding base is custom made for the GrooveMaster tonearm. However it can be used for SME tonearms as well. The mounting holes are exactly the same as the SME sliding base. No need to drill new holes.
The through hole diameter is 20,50 mm.