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Effort-saving Handle / +8615866699055

Effort-saving Handle
Effort-saving Handle

This hammer is a product which has a hollow handle.The handle is equipped with Hydrargyrum. When people lift the hammer , the hydrargyrum will flow into the bottom of the handle. When people drop it to some objects, hydrargyrum will quickly focus on the top of the handle as The Centrifugal Power. In this case, the hammer will provide more power .


Shandong University

Shandong University
School of Mechanical Engineering
Jinan, China

Heshan Liu


Shandong University

Shandong University
Jinan, China

Zhiwen Wu