Friction joints with easy accessible thumbscrews enabling fine adjustments for various weights
-Internal wiring - hidden from view
-stainless steel
-Bushing for solid flush desktop mounting
-MSS Pole for extension with maximum positioning flexibility
-No metal on metal friction thanks to plastic pivot adapter
-M20x1.5 metric fine thread, requires a 20mm diameter hole,
-head diameter of 52mm and thickness of 3.5mm,
-perfect for desktop thi . . .