Heat treated and hardened with a fully polished mirror finish. Chrome Vanadium steel 3/8"Sq Drive x 12-Point WallDrive rings. Minimum/maximum length: 65/70mm. Ideal for use with torque wrenches (please note: a setting adjustment is required to compensate for the increased length of leverage when using these torque adaptors). Suitable for limited access applications. Supplied in an EVA storage tray. Tray Size (W x D x H): 185 x 185 x 32mm. Features: • SEALEY PREMIER - One of a comprehensive range of Premier Hand Tools, suitable for daily professional use • CHROME VANADIUM STEEL - Heat treated and hardened for extra resistance to corrosion with a fully polished mirror finish • 12-POINT WALLDRIVE RINGS – Allows application of up to 30% more torque without damaging the fixing • STUBBY CONFIGURATION - Suitable for limited access applications • 10PC SET - Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm • IDEAL FOR USE WITH TORQUE WRENCHES – Please note