1 High-accuracy thread and tapered holes can be tightly attached to the tool. 2 The housing is treated with electrophoretic paint, making the product anti-rust even in worst environment. 3 The clamping jaws are specially treated to improve wear resistance. 4 3-16mm 1/2-20UNF: 3-16mm denotes that clamp the drill between 3mm and 16mm, and 1/2-20UNF represents a screw hole with 1/2-20UNF at the back of the chuck. 5 By using anti-thrust bearing to convert key-applied torsion into superior gripping.
What's in the box
1 x Drill Chuck Adapter Kit