4 шт. гаечные ключи Набор сверл деревообрабатывающий стальной винт Зенковка профессиональная прочная машина пилот отверстие зажим Шестигранная ручка

Descriptions:
100% new and high quality.
It can drill the screw holes and keep on the same axis, after screw in screw.
Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
Apply to with a clamp or joint drilling machine.
Suitable for drilling in the hard wood and wood floor.
Specifications:
Material: steel
Color: black
Size: 6#, 10#, 13#, 16#
6#: about 2.5mm
10# : about 3.15mm
13#: about 3.65mm
16#: about 4.5mm
Package Included:
1pc x hex wrench
4pcs x cone drill bit

Note:
1. Due to the light difference, the item's color may be slightly different from the pictures.
2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.