This precisely shaped Dial Depth Gauge is suitable for error free depth measurement of slots, grooves and holes. Its extension base can be used for measuring large opening. Housing of this instrument is made of stainless steel with hardened surface. Shock proof design of this Dial Depth Gauge is one of its key aspects. Tolerance limit of this product can be set by its tolerance marker. Lithium battery of this gauge has long life span. It comprises of on/off power switches and LCD screen. Automatic power off arrangement of this instrument helps to save its battery energy. This instrument can be set at zero at any position.