Product Description:--- Mechanical depth gauge up to 150 mm or 6- inch Thread to lock the size, 1 mm Thickness 5 mm Width High Precision Use in many industries and engineering sectors to check the depth of an object This product is completely manufactured in stainless steel material. (A depth gauge is a precision instrument designed to measure the depth or distance between a reference point and a surface, providing accurate and reliable measurements in a variety of contexts. This versatile tool finds application in fields ranging from engineering and manufacturing to woodworking, automotive maintenance, and scientific research.)