Package Includes: 5 different sizes - (0#, 1#, 2#, 3#, 4#) in one screw remover set, which includes 2 pieces of the most frequently used 2#, suitable for most common drill bits and screws or bolts of any size, 6 pieces in total, meet your different needs. High Quality: This damaged screw removal tool kit is made of HSS 4341# high speed steel, which has a high hardness of HRC63, it is durable and can easily remove damaged screws. Perfect Design: The double-head design is easy to use, and both ends can be used with electric drills for easy removal. Easy to Use: Only two steps to remove damaged screws, can work with various drill bits and all sizes of screws or bolts. Durable Packaging: The damaged screw extractor has a shell durable to ensure that all extractor bits are nice and tidy. Package Dimensions 8.4 x 6.2 x 1.7 cm; 90 grams