NOGA Magnetic Dial Stand These state of the art mechanical holders are divided into two groups ARTICULATED & PH, both designed to hold dial & test indicators, as well as many other components. ARTICULATED HOLDERS: It consists of articulated arms with central locking position with NOGA designed spring loaded bearing. PH HOLDERS: post & arm with unique 3 point clamps. These holders have fine adjustment mechanism, whether it is on the top (FAT) or at the base (FAB). The metal fine adjustment is the only fine adjustment to hold 6mm, 8mm, 3/8 , dovetail & back lug. There are 8 different magnetic bases from 320N to 1300N, a320N vacuum base & five clamps.