General description Sealey AK65600 Premier Lock-On™ Hex Socket Bit Set includes 8 pieces designed for professional use. The set features heat-treated Chrome Vanadium steel sockets and S2 Steel hex bits with a zinc phosphate finish, ensuring durability and performance. The patented twist design grips tighter as they turn, effectively removing rusted, damaged, and severely rounded hex head fasteners. Technical specifications Model No.: AK65600 Nett Weight: 0.28 kg Sizes: 1/4" Sq Drive; 3-6mm, 3/8" Sq Drive; 7-10mm Other information