Why Handles Of Screwdrivers Are Made Of Plastic?
Why Handles Of Screwdrivers Are Made Of Plastic? Electrician’s screwdrivers usually have plastic handles—because plastic insulates the user’s hands from the risk of electric shock—as well as plastic tubing that runs much of the length of the shaft. … Auto mechanics often favor screwdrivers that have rubber sleeves on the handles for a firmer grip.