A comprehensive set containing four basic heads for various fastening tasks.
5/16" hex drive to ensure a secure fit with Master Mechanic hand drills.
Precision engineering delivers consistent, precise performance while reducing slippage and wear.
Durable construction of high-quality materials to withstand heavy use and long life.

Select the appropriate bit for the specific fastening task (such as a slotted or Phillips bit) and install it in the hand drill using the 5/16" hex drive. Use the drill as usual to perform tasks such as fastening or loosening while ensuring good control.

Ideal for professional mechanics and DIY enthusiasts who need a variety of drill bits to handle a wide range of tasks. The range provides comprehensive solutions for handling both slotted and Phillips screws in a variety of applications.