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Screw Gauge : . It is used for measuring diameter of circular objects mostly wires, with an accuracy of 0.001cm.

Vernier Calipers: 
The Vernier Caliper is a precision instrument that can be used to measure internal and external distances extremely accurately :

Spherometer:spherometer is an instrument for the precise measurement of the radius of a sphere. Originally, these instruments were primarily used by opticians to measure the curvature of the surface of a lens.

physical balance : In simple terms a physical balance is a weighing instrument which helps in measuring the mass of a substance or more specifically the gravitational mass of the substance.

stop watch :a special watch with buttons that start, stop, and then zero the hands, used to time races.