The 2200-year-old Qin Dynasty weapon called 铍, which were used by fixing on a long wooden handle, unearthed from First Emperor Qin's burial site along with the terracotta army. https://www.viewofchina.com/ancient-chinese-military-weapons/

The 2300-year-old Warring States weapons called 铍, which were used by fixing on a long wooden handle. They can help reach the target metres away but the joint points were relatively vulnerable and could easily snap.

A 2,000-year-old military weapon unearthed from Jiangsu Province in 2009.