Question: Changing the bit on an adjustable screwdriver.
Option 0: Choose the type of bit you need. Gently turn the chuck a quarter turn to enlarge the hole so the bit can fit. Place the bit in the hole and tighten the chuck until the bit is secure.
Option 1: Choose the type of bit you need. Gently turn the chuck a quarter turn to enlarge the hole so the bit can fit. Place the bit in the hole and tighten the chuck until the bit falls out.
Answer: 0