12 different sizes6mm, 7mm, 8mm, 9mm, 10mm, 11mm,12mm, 13mm, 14mm, 15mm, 17mm, 19mm. The product is easy to install and disassemblenot easy to fall off when using, rust-proof, non-slip, high occlusion, tight and flexible. Slotted Hexagon Adapter: Standard hexagonal handle with slot on the back, not easy to fall off. Wear-resistant and durable. Hexagonal connections allow you to put the nuts directly into the cordless screwdriver. High QualityMade of chrome vanadium steel (CR-V), this socket adapter has very good abrasion resistance and extreme hardness for a long service life. Application: Small size, great utility, suitable for cordless screwdrivers, hex nuts, hex self-tapping screws, etc. Quick change chucks, electric drills and screwdrivers. Socket Adapter------- A must have for DIY and hobby screwdrivers. Suitable for DIY, profession, repairs and more. 12 * Socket Adapter Socket Set (one for each size). 12 Different Sizes: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm. Socket wrenches can remove hex bolts and nuts of different weights and sizes. You can use them in many jobs. Widely used in hexagonal tools such as pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, pistol drill and hand screwdriver. Features Material: Chrome Vanadium Steel Size: 6/7/8/9/10/11/12/13/14/15/17/19mm Approximate Length: 80mm Package Included: 12 * Socket Adapters.