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 II
$20.52
Fits 127 different heavy duty 1/4″ to 1/2″ chucks
