是这个：https://www.amazon.com/Enertwist-Electric-Impact-Changes-IW-1020/dp/B07KCZ9X4R/ref=sr_1_1_sspa?keywords=enertwist&qid=1558019476&s=gateway&sr=8-1-spons&psc=1

Enertwist Electric Impact Wrench 1/2 Inch 8.5 Amp 450 Ft.lbs Max Torque with 1/2" Hog Ring Anvil for Easy Socket Changes, ET-IW-1020 ($76)

有人用过吗？好像跟Harbor Freight的Bauer冲击扳手很相像。

Harbor Freight的Bauer冲击扳手：

1/2 In. Heavy Duty Extreme Torque Impact Wrench （$110）

https://www.harborfreight.com/12-in-heavy-duty-extreme-torque-impact-wrench-64120.html?_br_psugg_q=impact+wrenches

想整一个来换胎，车闸，shock, 等，应该没问题吧。这两天看大家说关税，就想先整一个这玩。