Multifunction - The twist socket set is suitable for removing rust and wear, as well as covering the paint coating of nuts, bolts. Square drive 3/8 ‘1/4 ‘, 5/16’ (8 mm), 3/8 ‘, 10 mm, 7/16’ (11 mm), 12 mm, 1/2 ‘, 13 mm, 9/16’ (14 mm), 5 / 8 ‘(16 mm), 17 mm, 11/16’ and 3/4 ‘(19 mm) High power and impact resistance - High hardness chrome molybdenum steel treated bolt nut Our Worn Nut Remover Kit is precision engineered to quickly and effortlessly extract damaged bolts, nuts and screws The 13 pieces of Impact Bolt and Nut Driver are come in a molded blow box that accommodates each piece Note: this does not include other things, the color is based on the first picture, and the other pictures only show the effect p> Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to the reason on manual measurement. Please allow deviation. Thank you!