Through-hardened, self-sharpening, high-carbon steel blade.
Patented automatic locking blade latch.
Finger guard runs entire length of blade.
Torsion spring prevents blade from falling.
1/2" grid and dual standard and metric rulers.
Ergonomic soft-grip handle.
Heavy-duty 3/4" thick wood base with non-skid rubber feet.
The original and still a favorite!