Specifications:

Name: Drill Chuck !#!amp!*! Hex Wrench

Material: Carbon Steel

Surface: Black finish

Specification: 3， 4， 5， 6， 8， 10， 12 mm
 

Limit ring Role:

Mainly for fixing the drill bit， limited the depth of drill holes， make depth
of the hole consistent. More convenient to roundwood mortise Of Use.

Package included:
7x  Drill Chuck
1x  Hex Wrench