Hand Cranked propeller. No fuel. No electricity. For small boat. One times hand,four turns of propeller. Stainless steel tubes. Wholesale for dealers. Just feel free to contact me #infloatable #handcranked #nofuelmotor #handpropeller #outboardmotor (at Qingdao, Shandong) https://www.instagram.com/p/B5uOucJAHB4/?igshid=12xf6ugjli3wd
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