CST ? Center String Technology ? PXS Capture Aperturelocated on center of bowstring ? no L and R misses. OCT ? Optical Centered Technology? Improved centration of lenses for ultimate accuracy. PLT ? Protected Lens Technology? Lenses protected by plastic on 2 sides prevents cracking. DSAT ? Dual String Angle Technology? has both 37 and 45-degree string angles on the same peep housing. TAP ? Tool-less Aperture Technology? Knurled Tool-lessPXS Capture Aperture? eliminates the need for an aperture wrench. PXS Clarifier or Verifier lensescan be removed from thePXS Capture Aperturefor easy cleaning. AdditionalPXS Target Peep Shade Capaccessory ? screws into front of peep to prevent glare.

Features:Center String Technology;Optical Centered Technology;Protected Lens Technology;Dual String Angle Technology;Tool-less Aperture Technology