CowboyStudio Univeral 46mm Center Pinch Snap-on Front Lens Cap with Leash for Canon DSLR Camera One (1) Camera Lens Cap w String Diameter: 46mm/1.8"; Thickness (Approx.): 9mm/0.35" Designed to fit for all camera lens with 46mm filter, protect your lens from scratches and dirts. Center pinch design Front Lens Cap allows you to use lens with hood easily.