For 1-Inch Diameter Light Bodies - KeyMod Version, Mod 0 · Fully ambidextrous mounting; either the left or right side of the rail system. · Fits majority of popular 1-inch round body tactical light systems. · Design to mount on the 1:30 or 10:30 o’clock (upper 45° degree) rail positions. · Strong Aluminum construction. · Intently designed to below-profile and snag-free. · Patent Pending anchoring system. · Minimal added weight, 1 oz.