The combination set consists of scale, squaring-head, protractor and centre-head. It consists. of a heavy scale, which is grooved all along its length. It is on this groove that sliding squaring head. is fitted. Stock is not the part of a combination set.

A scriber is a hand tool used in metalworking to mark lines on workpieces, prior to machining. Scriber is made of High carbon steel.

Guide pins helps to draw parallel lines along a datum edge in universal surface gauge.

Protractor head is used and set to any required angle in the combination set.