EXTENSION: The magnetic bit holder with adjustable composition collar can help absorb the high torque of newer impact screwdrivers. The quick-change bit holder solves that the bit was not long enough to achieve what you were trying to drill HIGH HARDNESS: The screw extractor has undergone overall secondary heat treatment.It is durable and can be widely used in all drill bits < li>EASY TO USE: In easy steps, only need a drill, choose a smaller extractor than the damaged screw, can easily remove the screw, please be sure to reverse the drill during this process APPLICABLE: The screw remover is compatible with all brands of electric drills and screwdriver handle tools, suitable for all homeowners, carpenters, mechanics, artists, hobbyists, etc WIDE USE: Position of the high precision hole, ideal damaged bolt and screw removal tools, suitable for most common drill bits and various sizes of screws or bolts, such as Allen bolts, machine screws, lag bolts, screws bolts, hex bolts, sheet metal screws Specification: Condition: Model: RT-Q06 Material: chrome vanadium steel Weight: approx. 233g / 8.2oz Diameter Length Range of application List of packages: 6 x screw extractors 1 x storage box Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.