Spyderco Two Screw Worker C01

The "Two Screw" Spyderco Worker C01. The first folding knife to feature a pocket clip and the "spidey hole" to facilitate opening.

Blade Length: 2 3/4"
Closed Length: 3 7/8"
Overall Length: 6 1/2"

Sources:
www.spydiewiki.com/index.php?title=C01_Worker
www.spyderco.com/forums/showthread.php?39213-Worker-C01-CHRONOLOGY-amp-Timeline-Thread
www.spyderco.com/forums/showthread.php?27059-2-Screw-Workers-and-Evolution-Set&highlight=two-screw%20worker