1.
are the ones you use most in the shop. They should be gripped
on the end of the handle.
2.
are used to remove gears and hubs from shafts, bushings from
blind holes, and cylinders' liners from the engine blocks.
3.are used to drive, or turn screws. The most common type has a
single flat blade for driving screws with slotted heads.
4.are used to turn screws and nuts and bolts with hexagonal heads.
"Hexagonal” means six-sided. A variety of wrenches is used in the shop.
5.
are specified types of adjustable wrenches. The two legs move
on a pivot so that items of various sizes can be gripped.​