Hand Tool Rescue

Is this the greatest screwdriver of all time? (1x96)

Data di messa in onda: Ott 28, 2021

The finest in antique screwdrivery, this screwdriver is based on an 1904 patent by William Ward, but with several modern improvements. You can view the original patent here: https://patents.google.com/patent/USD... Each screwdriver is made from 1144 steel, ~9in/22.8cm long, and weighs 0.44lb/200g. The square shaft is 3/8in/0.95cm thick. The blade is 0.5in/1.27cm wide and 1/8in/0.3cm thick. Blade is hardened to 52 HRC.