Manufactured from Beryllium Copper. Die forged. Open-end and 12-point WallDrive® ring combination. Supplied in storage pouch. Features & Benefits: • Manufactured from Beryllium Copper. • Die forged. • Open-end and 12-point WallDrive® ring combination. • Supplied in storage pouch. • Contents: 8, 10, 12, 13, 14, 16, 17, 19, 22, 24, 27, 30, 32mm. • Lifetime guarantee*. • Model No. NS001 Specifications: Model No NS001 Brand: Premier Contents: 8, 10, 12, 13, 14, 16, 17, 19, 22, 24, 27, 30, 32mm Maximum Length: 340mm Minimum Length: 120mm Nett Weight: 3.785kg