![Children's combination pliers](https://img.ankorstore.com/products/images/2642013-47d68da1454093.jpg?auto=format%2Ccompress&fm=pjpg&dpr=2&h=200&w=200&fit=crop&crop=faces)
Children's combination pliers
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The nail drills, called ring drills or pre-drills, are small practical tools. They can be used to pre-drill holes in soft wood, for example to fasten a screw without tearing the wood. The pre-drill can be held by the loop made of wire and drilled into the wood with a little pressure, a small hole is enough so that a screw or similar can be countersunk in the pre-drilled hole.