Features:
Suitable for electric hand drill and b ench drill to process workpieces with hardness of 25 and thickness of less than 2mm, such as aluminum plate, PV plate and insulating plate.
Includes 6 chamfers, 1 center punch, 7 countersunk drills, 8 cork drills and 1 small wrench, a total of 23 sets of tools, completed accessories and it can meet your different needs.
8 Block cork bit set is made ofendurable carbon steel with s tronger hardness and is reliable.
6 Chamfering devices of different diameter sizes, used for 90 degrees of countersunk screws and fixings in wood and PVC board, and 6 holes of different sizes.
Lightweight and it is portable, nice carrying and space-saving.

Specifications:
Material: Carbon steel
Item color: Silver, gold, red, black
Item quantity: 23pcs
Package size: 150 * 100 * 60mm
Package weight: 710g

Packing list:
Set of 23PCS *Chamfer Drilling Tool