Set the cone and drill holes by hand

Features:
0.25 inch (6.35 mm) hexagonal shaft; Can be set with a cone of 0.4 inch (10 mm) hexagonal shaft.
It can be used outdoors as it is used for hand rotation.
Uses natural wood that is gentle on the planet and human.

Specifications:
Body: Natural wood (rubber wood), Chuck part: Brass, Butterfly bolt: Stainless steel (M5 x 8), Pin: Zinc alloy
Applicable Materials: General wood

[Precautions]
Because it is natural wood, the wood grain and color of each piece may vary. There may also be some dents and scratches.
Please tighten the butterfly bolt firmly when installing the drill.