- 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” and 3⁄8” x 16-3⁄4”
