Try this one from Amazon: https://www.amazon.com/Guaranteed-Commercial-Industrial-Approved-Receptacle/dp/B099ZFQP5Q/
Guaranteed for Life, NEMA 14-50 Commercial / Industrial Grade U.L. Approved 50 AMP 240V Receptacle https://www.amazon.com/dp/B099ZFQP5Q/ref=cm_sw_r_cp_api_i_XZ0CW2SNE5WF4VN3EYQ1
Looks like a cheap plug and you shouldn't use those for EV charging. IMO get a good plug that costs more, maybe even a $100 one.