No complaints. Unpacked without any problems and attached to the jackhammer. Mine came out a little rusty. It must have happened during a boat trip. oil that thing. This is the device I use it with. I have two of these setups: https://www.amazon.com/XtremepowerUS-2200Watt-Electric-Demolition-Concrete/dp/B00IO3Z5MS/ref=pd_cp_469_1?pd_rd_w=CFS3s&pf_rd_p=ef4dc990-a9ca-4945-ae0b-f8d549198ed6&pf_rd_r=8YrCYpKNTrd4K6ATXYrCYpGGd4K25&pf_rd_r=8YrCYp469ed6 =a9b33e70-78fc-4c37-bd4d-f35761574130&pd_rd_wg=RN7M9&pd_rd_i=B00IO3Z5MS&psc=1&refRID=8YTXGGT9K26YCYKN46A5