The most commonly used Hammer has a steel head with a hickory or ash wood handle. Also available are Hammers with steel heads and glass fiber handles, and with steel heads and handles - mostly used for claw hammers. These usually have a perforated rubber grip to stop your hand slipping on the shaft, and to absorb much of the shock of impact. A hickory shaft can be broken under strain, but glass fiber sand steel shafts are virtually indestructible.

Apart from the way these are made, Hammers also come in a variety of patterns, each with its own purposes.

Claw Hammer This head has a split end, or claw, for pulling out nails. Use the handle as a lever once the nail is gripped.

Pin hammer This is a light Hammer for driving panel pins, fine nails and tacks. The head is flat at the back for starting small nails.

Cross pein A larger version of the pin Hammer, it comes in a number of patterns, of which the commonest is the warrington.

Ball pein The ball-shaped pein at the back of the head is used for beating metal or for setting rivets.

Club Hammer This has a heavy steel head up to 1.8 kg (4lb). Use it to hit a steel chisel or bolster, or hand-held masonry-boring tool. Wear protective gloves and goggles.

Soft-faced hammer The head usually has a different material, such as copper, rubber or nylon, on each face. One of the most useful is a hammer with one soft and one hard rubber face.

Mallet (joiner's or carpenter's) The head is flat face and usually made of beech. Its main job is to hit chisels with wooden handles.

Sledgehammer This has a heavy head up to 9kg (20lb) with a long handle for heavy driving. Flat-faced, ball-pein or straight-pein types are available. Light blows can be made by holding the hammer just below the head and dropping the head onto the object to be driven. For heavier blows, hold it near the end of the shaft and swing it like an axe.

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Hammer