Screwdrivers are usually classified as flat head or cross-headed. Cross-headed screwdrivers have cross-shaped tips. Take care to use the correct type, since a mismatch may damage the head of the screw or the screwdriver.
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© 2007 Dorling Kindersley Limited
With a cross-shaped head, the tip may be pointed or flattened. Small ones tend to be pointed; larger ones are often flat.
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