With its ergonomic handle and smooth ratcheting action, you'll find yourself reaching for this precision screwdriver set again and again. It's ideal for precision tasks where there is a risk of stripping or breakage, such as with brass fasteners, soft woods or electronic applications. The set includes a 4-1/2'' extension bar for reaching into tight spaces, and two dozen 1'' driver bits: (7) Phillips, (5) Slotted, (5) SAE Hex, (5) Star and (2) Tri-wing.