I picked up this one on Amazon . Easy install and clear instructions

Mounting Dream TV Wall Mounts TV Bracket for 42-70 Inch TVs, Premium TV Mount, Full Motion TV Wall Mount with Articulating Arms, Max VESA 600x400mm and 100 LBS, Fits 16", 18", 24" Studs MD2296-24K https://www.amazon.com/dp/B07SMF9SQM/ref=cm_sw_r_cp_api_glt_fabc_MES9WX2MN7HYBH46G3FC?_encoding=UTF8&psc=1