CRAFTSMAN Screwdriver Set, Bi-Material, 8 Piece Set (CMHT65075N

8 pc. Bi Material Screwdriver Sets has a black oxide coating that provides a more precise fit and reduced fastener stripping and cam out. The polypropylene material, and ergonomic shape of the handle offers twisting force for three different applications; a speed zone for quick rotation, a torque zone for added grip in heavy torque applications, and a precision tactile zone for tasks requiring more rotation control.