Specifications:Please choose the caliber that you want.Flip-up lid design, easy to mount, durable to use.It can protect your scope lens from scratches & dust.Type: Lens Cover CapQuantity: 1 PcMaterial: PlasticCaliber Size: 25.5mm/1.00", 28mm/1.10", 30mm/1.18", 34mm/1.34", 35mm/1.38", 36mm/1.42", 38mm/1.50", 39.8mm/1.57", 41mm/1.61", 42mm/1.65", 43mm/1.69", 44mm/1.73", 45mm/1.77", 46mm/1.81", 47mm/1.85", 50mm/1.97", 51mm/2.01", 53mm/2.09", 57mm/2.24", 59mm/2.32", 62mm/2.44", 64mm/2.52" (Approx.)Notes:The caliber is the internal size of the cover, also the size is for the external diameter of the scope, before you buy it, you need to measure the diameter of your scope.Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Lens Cover Cap