1, Toyo spear head imported from Japan. Toyo spear head series products are small in size, light in weight and powerful. All models are designed with ease of use and safety in mind. Attached with air regulating valve, convenient torque adjustment. The spindle is made of Ni-Cr-Al alloy steel, and the Toyo gun head adopts a new patented structure, which improves the torque and prolongs the service life.

2, the spear head along the main reinforcement line, more dynamic, vibration steel bar to make concrete including steel bar fall off from around the steel bar; The steel mesh concrete will try to hit along the steel bar. When making, it is considered that the strength of concrete is low, the structure is worn, and when it breaks, it is considered that the strength of concrete is high.