The Stone Tools 4 way chuck key is the ideal tool for unlocking and locking of various, popular drill chucks to keep drill bits in place.
Each key is made of heat-treated steel with a black oxide finish for an optimal combination of durability and hardness.
Center square feature is ideal for opening acetylene tanks.
Master Chuck Key I
$23.36
Fits 86 different heavy duty 3/8″ to 3/4″ chucks
