Original Tenebreax Killflash sunshades works like a 6" tube shade when aiming through them with a riflescope. But they also hide lens glint so you won't spook game with lens reflections. The honey-comb construction makes these riflescope sun shades very low profile, yet they give shade comparable to a 6" tube extension! Cleverly mounted on your objective lens in a Flip Open lens cover. See our Riflescope Accessories Page for more information. You'll need to know which size Butler Creek Flip-Open Objective Lens Cover fits your riflescope. Then use the chart below to find your Honey-Comb Sun Shade Size.