Workshop is the place where we carry out repair and maintenance of the machinery. For any kind of the repair or maintenance hand tools we required so here we will discuss some of the important hand tools which are very use full during the repair and maintenance job.Hand tools used in the workshop are as followsHammersChisels VicePunchesScriberTaps and Die setMarking tableScribing blockCaliperDividerTri-squareSteel scaleReamerScrew DriverFilesHacksaw1. Hammer : Hammers are made of the forged materials. Hammer is used to strike the work piece or tool. They are available in various shape and size according to the jobs. A suitable range from 0.11 kg to 0.33 kg for light work, 0.45 kg for chiseling 0.91 kg for heavier work such as chipping. Hammer consist of four main parts Types of the hammerBall pein hammerCross pein hammerStraight pein hammerClaw hammerRiveting hammerRaising hammerSet hammerSoft hammerSledge hammerChipping hammer 121