The Jacobs 1/2" Hand-Tite keyless drill chuck with 3/8-24 mount is constructed of high performance material to maximize durability and performance. Split bit jaw increase grip over standard bite chucks by providing more contact with the bit.
Increases grip over standard bite chucks.
High mechanical advantage to convert hand tightening torque into superior bit gripping force.
Prevents chuck from locking open.
Constructed of high performance material to maximize durability and performance.