I use Drive brand crutches for bariatrics. They’re cheap, but since they’re for bariatrics patients they’re built to take some punishment.

Drive Medical Forearm Crutch, Chrome, Bariatric (1-Pair) https://www.amazon.com/dp/B002VWK0MI/ref=cm_sw_r_cp_api_i_AHnSDbBHTAH9W