莱特曼组合工具 莱特曼可以称得上是设计组合工具的鼻祖。1975年莱特曼在欧洲旅行,当时他手头拮据,汽车也故障百出,而仅有的一把刀根本派不上用场,这使他产生了自己设计一把小巧的组合工具刀的念头。回家后,他运用自己的设计才能进行创造,凭着一丝不苟的努力和数百次的试验,7年后,第一把完美的莱特曼万能工具问世了。这是一把包括刀子、各种螺丝刀、锥子、刻度尺和标准尖嘴钳的组合工具。 莱特曼工具由400系列高碳不锈钢制成,并针对每一件工具的用途,在钢材的含碳量和热处理上进行了优化。由于在 Letterman combination tool Letterman can be regarded as the originator of the design combination tool. Letterman traveled to Europe in 1975, when he was at his fingertips and his car was in trouble, and the only knife that did not come in handy at all gave him the idea of ​​designing a small, modular knife. After returning home, he used his own design talent to create, with meticulous efforts and hundreds of experiments, seven years later, the first perfect Letterman universal tool came out. This is a combination of tools including knives, various screwdrivers, awl, scale and standard needle-nose pliers. Letterman tools are made of 400 series high-carbon stainless steel and are optimized for the carbon content and heat treatment of the steel for each tool's use. Because of