[A]

HSS Multi-Functional Drill Bit Set

Use for: sheet steel (max. 3mm), wood, plastic

Made from M2 steel

9 piece set

[B]

Masonry Drill Bit Set

Use for: stone, brick

Made from carbon steel with carbide tips

9 piece set

[C]

Wood Drill Bit Set

Use for: wood

Made from carbon steel

9 piece set

[D]

SDS Drill Bit Set

Use for: stone, brick, lightweight concrete

Chuck: SDS-plus system

5 piece set