This Damaged Screw Kit Remover will remove damaged or embedded screws, an extremely handy kit to have in your tool box. Complete with five 50mm high speed steel bits, great for extracting broken 5 to 12/ 6mm to 12mm screws, this kit is suitable with all standard variable speed drills and removes most kinds of screws including Philips, flat and Pozidrive.. 1 x Kramer Damaged Screw Kit Remover 50mm. Removes damaged or embedded screws. 5 50mm high speed steel bits. Extracts broken 5 to 12/ 6mm to 12mm screws. Suitable for using with all standard variable speed drills. Removes most kinds of screws including Philips, flat and Pozidrive