Proto Standard Super Screwdriver Set, 6 pc

Precision machined tips to ensure proper fit
Tip edges are ground to a precise tip width and thickness to properly fit the screw slot
Innovative tri-lobe, non-slip bi-material handle, to ensure a secure grip
Square heat-treated alloy steel shanks
Set includes:
1⁄4" x 3-3⁄4“ Stubby, 1⁄4" x 8- 1⁄4", 3⁄16" x 8", 5⁄16" x 10-5⁄16", 3⁄8" x 12-5⁄16 & 3⁄8" x 16-3⁄4"