InnovaGoods Damaged Screw Removal Bits (Pack of 4) Introducing the new InnovaGoods Home Tools Damaged Screw Removal Bits (pack of 4) that cannot be missing from your DIY tools! Very useful and effective for removing damaged and/or rusty screws easily and quickly. Each double action bit drills the head of the screws and then remove them effortlessly. Made of hardened hardened steel (60 HRc) High strength and hardness Suitable for any drill Approx. length of drill bits: 5 cm Includes case (approx. 8.6 x 1.5 x 6 cm) 4 x steel drill bits for: Screws: 4-7 /bolts: 5 mm Screws: 8-10 /bolts: 6 mm Screws: 11-14 /bolts: 8 mm Screws: 16-24 /bolts: 10 mm Packaging and manual in 24 languages (English, French, Spanish, German, Italian, Portuguese, Dutch, Polish, Hungarian, Romanian, Danish, Swedish, Finnish, Lithuanian, Norwegian, Slovenian, Greek, Czech, Bulgarian, Croatian, Slovak, Estonian, Russian, Latvian)