Fowler inch/metric dial test indicator with the yellow face is designed to measure surface variations in narrow or recessed areas 0-0.8mm measuring range, 0.0005"/0.01mm graduations, 0-40-0 balanced inch readings, and 0.001mm balanced metric readings; auto-reversing contact point and adjustable bezel ' Three dovetail mounts for mounting indicator from the top, back,or front; One-piece housing with satin chrome finish provides durability