Metalworking measuring instruments

thumb|right|upright=1.3|A variety of rulers thumb|right|A carpenter's rule thumb|right|Retractable flexible rule or tape measure thumb|right|A closeup of a steel ruler thumb|A ruler in combination with a letter scale

thumb|A vernier caliper clamping on an object|330x330px

flexible ruler used to measure size or distance

distance amplifying instrument

a system for producing precision lengths by stacking components

inspection tool used to check a workpiece against its allowed tolerances

tool used to measure gap widths

handtools for marking and checking 90° and 45° angles

tool used in woodworking and metalworking to mark out lines for cutting or other operations

device for measuring the physical geometrical characteristics of an object

thumb|right|An ornate 18th century iron straightedge A straightedge or straight edge is a tool used for drawing straight lines, or checking their straightness. If it has equally spaced markings along its length, it is usually called a ruler.

Tool used for measuring at a fixed ratio

guage to find the pitch of threads

solid, flat plate used as the main horizontal reference plane for precision inspection, marking out, and tooling setup

precision measuring tool used to determine the height of objects or mark out measurements on workpieces, commonly used in machining and quality control

Measuring instrument in metalworking

alt=NANOVEA PS50 Non-Contact Optical Profilometer|thumb|322x322px|Non-Contact Optical Profilometer thumb|250px|A contact profilometer at Laboratory for analysis and architecture of systems|LAAS technological facility in Toulouse, France.

process of transferring a design or pattern to a workpiece, as the first step in a manufacturing process

measuring or transfer tool that is used in the process of accurately measuring holes

a precision measurement tool that projects a magnified silhouette of a part onto a screen, allowing for accurate inspection of dimensions and shapes

measuring and marking tool