The PXL Hunter Peep Clarifier fits in the end of the PXL Capture Aperture and delivers a sharper view of your target and is available in five magnification to ensure your best target vision. As a general rule, #5 (gold) is for 2-4X scopes, #1 (yellow) is for 2-6X, #1.5 (Ice Blue) is for 3-8X scopes, #2 (Green) is for 4-8X and #3 (Red) is for 6-8X scopes. Weigh 3.5 grains