DIY Tool Tool, Tlasco Nakayama, Orange Book, TRUSCO Construction Book, Trusco Manufacturer: Hirai Tools Co., Ltd. Features: A versatile and powerful tool that can be used to penetrate the entire body with a square axis. [Uses] For work with beetles, walles, and cojils. Specifications: Blade width: 0.8 inches (20 mm); Total length: 10.0 inches (255 mm); Weight: 6.3 oz (164 g); Material: Hard steel wire (chrome vanadium steel).