You don’t need to spend a fortune to theft-proof your home and keep burglars at bay. Here are some inexpensive (yet very ...

And the only reason to have multiple Flat or Phillips head screwdrivers was to handle bigger or smaller screws. Times have changed, and “security screws” have become increasingly common.

These Tamper-Resistant Torx (or Torx TR) bits prevent Flatheads from being inserted, which would defeat the security. The bits labeled T7 through T20 in iFixit’s set are tamper-resistant.