7 piece robust line cyl 9 multi construction multi purpose drill bit set
Bosch 7 piece robust line cyl 9 multi construction multi purpose drill bit set suitable for practically all materials in interior fitting work eg concrete masonry brick eternit light building materials multi layer materials ceramics and tiles wood plastic sheet metals aluminium perfect results when drilling with or without impact drill bit colour blue polished description centring tip active centring tip for active cutting in concrete fine grade high durable carbide extra long life best wear res