The most advanced peep system in the archery industry, completely designed for ultimate accuracy. CST – Center String Technology – PXS Capture Aperture located 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-less PXS Capture Aperture – eliminates the need for an aperture wrench. PXS Clarifier or Verifier lenses can be removed from the Capture Aperture for easy cleaning. Additional “PXS Target Peep Shade Cap” accessory – screws into front of peep to prevent glare. NOTE: PXS Target Peep Apertures fit into Specialty Archery PXS Target Peep ONLY. NOT compatible with other Specialty Archery peeps. PXS Target Peep and component weights: PXS Target Peep – 18.0 grains PXS Target Peep Capture Aperture – 4.5 grains PXS Target Peep Clarifiers/Verifiers – 1.0 grains PXS Target Peep Shade Cap – 2.5 grains