Total 2Pcs Screwdriver Set THT250201

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Description

1. .This is particularly useful as drilling a pilot hole before driving a screw is a common operation.
2. Special combination drill-driver bits and adapters let an operator rapidly alternate between the two.
3. Variations include impact drivers, which provide two types of 'hammering' force for improved performance in certain situations, and "right-angle" drivers for use in tight spaces.
4. A screwdriver is classified by its tip, which is shaped to fit the driving surfaces—slots, grooves, recesses, etc.—on the corresponding screw head. Proper use requires that the screwdriver's tip engage the head of a screw of the same size and type designation as the screwdriver tip

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