They are “high speed” meaning geared for top end speed not for torque. Maybe this one rated high torque is what you need, https://www.amazon.com/dp/B07YZGF885/ref=sspa_dk_detail_3?psc=1&pd_rd_i=B07YZGF885&pd_rd_w=8fBPI&pf_rd_p=b9951ce4-3bd8-4b04-9123-0fda35d6155e&pd_rd_wg=j3ph5&pf_rd_r=AXS06VX5J6195XWSYS48&pd_rd_r=1cc772f5-5065-49bf-9cb4-3826a77f2858&s=toys-and-games&smid=A4OJZQU3BU08X&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFTNk5MVVFLR01INkUmZW5jcnlwdGVkSWQ9QTAwNjY2NTlYWEtYMERYT1lBNEomZW5jcnlwdGVkQWRJZD1BMDA5NjA4NzI1WkxERlJPQk4zWFUmd2lkZ2V0TmFtZT1zcF9kZXRhaWwmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl