8PCS 3-10MM 5 Flute Countersink Drill Bit Set Reamer Woodworking Chamfer Tools

Feature:
Heat treated & tempered high-carbon steel with Titanium Nitrate coating for superior cutting power
Use on steel, aluminum & other metals, plastic or wood
Enlarge or countersink holes, deburr edges, 15-degree chamfer
Material: High Speed Steel

Specification:
Size:3/4/5/6/7/8/10mm

Package included:
7 x Countersink Drill
1 x L-wrench