10pcs Solar Panel End Clamp for Standard Unistrut, Aluminum 30mm/35mm Solar Panel Brackets with Nuts Bolts, Solar Panel Mounting Kit for Metal Roof, Tin Roof, Flat Roof, Sheet Roof, Black
These are nice 30 or 35 mm end clamps.
https://www.amazon.com/dp/B0DQL39VTV?tag=utahsolarfora-20