6-Piece Step Drill Bit Sheet Metal Drilling Set Special Boxed Note: It will be sent in a special box.

All of them are A quality products.

Step drill bit set made of 6 Pieces of High Speed Steel.

Cutting without cracking with double groove system.

Drill : 4, 6, 8, 10, 12 mm 2.

Drill : 4, 6, 8, 10, 12, 14, 16, 18, 20 mm 3.

Drill : 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm Saw Sheet Drills are 3 mm , 6 mm and 8 mm.

Tin plating 6 times more durable than normal HSS tips.