The XJ.728 21V lithium-ion high-magnetic brushless rotary hammer is a heavy-duty industrial-grade hammer from the Xiaojia brand.
Featuring an upgraded high-magnetic brushless motor with enhanced power and durability, impact energy is increased to 2.8J, capable of heavy-duty drilling in high-hardness concrete, granite, and other hard materials.
It supports three-mode switching, with an extended vibration-damping handle for greater comfort during prolonged operation.
The built-in intelligent control system automatically adjusts power output based on load resistance, and triple safety protection makes it a core heavy-duty tool for large-scale renovation and engineering projects.
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