General description Sealey AK7986 Hex Key Socket Bit Set is part of a comprehensive range of Premier Hand Tools, designed for daily professional use. This 9-piece set features professional heat-treated Chrome Vanadium steel sockets, ensuring durability and reliability. Technical specifications Material: Professional heat-treated Chrome Vanadium steel Finish: Fully polished black chrome with machined and lacquered surfaces Hex bits: S2 Steel with phosphate finish Contents: 4, 5, 6, 7, 8, 9, 10, 11, 12mm Other information Knurled rings for improved grip, even with oily fingers Supplied on a socket rail Model No. AK7986