Features:
Made of superior high speed steel, firm and long-lasting.
Nitride coated, has nice heat resistance, corrosion resistance and rust resistance.
Special step stucture, can drill different size of holes.
Apply to thin plate, steel board, wood, , insulation panels, PVC sheet, ect.

Specifications:
Material: high speed steel
Coated: nitride coated
Color: black
Quantity: 3pcs (3-12mm/4-12mm/4-20mm)
Bits detail:
 3-12mm: 3-4-5-6-7-8-9-10-11-12mm
 4-12mm: 4-6-8-10-12mm
 4-20mm: 4-6-8-10-12-14-16-19-20mm
Package size: 100 * 50 * 20mm / 3.94 * 1.97 * 0.79in
Package weight: 90g / 3.17ounces

Note:Due to the different display screen and effect, the actual color of the item might be slightly different from the color showed on the pictures.

Package List:
3 * Drilling Bits
E20175