• All-new Level Head sight ring features a pre-installed level that is easier to adjust, is rock-solid secure and can be customized to fit into the top of the sight ring • PhotoChromatic Technology automatically darkens in bright light to dull pins, prevent pin halo • SkyCoil Technology gathers light from above for unmatched pin brightness • Inch Wheel micro horizontal and vertical gang adjustment • Direct mount sculpted base with Monster clamping dovetail • Machined aluminum 2" guard for maximum protection and durability • Interchangeable fluorescent guard ring • 5 - .019" BombProof, all-metal MicroGroove pins • Weighs 6.8 oz.