Deviant 45902 Billet Side Mirrors for 1.75" Tube; We designed these mirrors the out doors, and rough riding in mind. These feature a "break away" style stainless steel ball stud for an attachment point, also giving the mirror endless adjust-ability. Machined from 6061 aluminum, and anodized black to match the aggressive style off road machines have. The mirror its self is a shatter proof acrylic, that can be replaced.1.75" Tube mounting clamp, .CNC Machined billet aluminum; Black Anodized, and laser engraved, Stainless hardware, "Break away" style ball stud, Endless adjust-ability; Replaceable mirror glass, Shatter proof acrylic.