9-hole (regular electrode), 12 hole (regular electrode), 4-hole (rotating disk electrode)
Product Name: Electrode Drying Bracket
Size: Diameter 70mm, Thickness 30mm, Round PTFE Material, 9-Hole
Length 100mm, Width 60mm, Thickness 30mm Square Tetrafluoroethylene 12 Holes
Hole diameter: 2.2mm