Precision diamond lapped table, with test certificate. Solid 3D jointed arm with mechanical central clamping. Continuously adjustable clamping force with high stability. Quick and easy positioning. Universal indicator holder. With fine adjustment, for clamping shank ⌀ 8 mm, ⌀ 6 mm, ⌀ 3/8 inch and indicators with dovetail clamping shanks.