Which tools were clearly established more than 4,000 years ago?

The development of specialized hand tools was driven by the demands of a settled way of life following the advent of agriculture and animal domestication approximately 10,000 years ago. By more than 4,000 years ago, the identities and forms of the following tools were clearly established:1

• Ax: A heavy implement essential for clearing forests and working timber.21
• Adz: A tool often used alongside the ax for woodworking and clearing land.21
• Chisel: Used for precise woodworking and shaping.21
• Saw: A tool designed for cutting material.1

These implements were crucial for fashioning wood into various items, including furniture, utensils, and structural components for habitations. While these tools were often made of polished stone during the Neolithic Period, the transition to metalworking eventually allowed for the creation of superior materials for these established tool forms.21