Sets include an assortment of keys. These simple tools turn fasteners from either end and reach into tight spots.

Bits have a different size at each end. An opening at the tips accommodates the pin in the recess of tamper-resistant Torx screws. These are also known as pin-in-Torx bits.

An opening at the tip accommodates the pin in the recess of tamper-resistant pentalobe and tamper-resistant Torx Plus screws.

Ribs forged into the wings of these offset-cross-shaped bits grip the screw recess to reduce stripping. They are also known as ACR® bits.

A three-winged tip fits triangular slotted screw recesses.

Turn screws that have the tamper-resistant asymmetrical drive exclusive to McMaster-Carr.

An opening at the tip accommodates the pin in the recess of tamper-resistant square screws.

An opening at the tip accommodates the pin in the recess of tamper-resistant hex screws. These are also known as pin-in-hex or pin-in-socket bits.

Grip the indentations on the head of tri-groove fasteners.

These bits have an offset cross shape.

These screwdrivers have a soft, contoured handle that provides comfort and the best possible grip for achieving maximum torque.

Press down on the handle’s collar to either adjust the shaft length or remove the shaft and replace it for a different tip. Sets include a handle and multiple reversible shafts.