"Plus-Minus" Bit (With Magnet)

[Features]
· Special bit for popular cross and slotted screws.
· Comes with a tube to prevent short circuiting.
· Ideal for installation of control panel terminal screws, electric wire supporting hardware, water plumbing and air-conditioning work.
· Electric screwdrivers and impact drivers can now be used for tightening work that had been mainly performed with hand screwdrivers.