Altra 23 Standard Nock Bushings is_alien Tool-less Aperture Technology - Knurled

Tool-less Aperture Technology - Knurled Tool-less PXS Target Capture Aperture - eliminates the need for an aperture wrench

Orbit vibration damper absorbs any post shot noise for that dead in hand feel

Four way stretch make getting in and out of the stand a breeze

Ambidextrous to accommodate RH and LH shooters

Altra 23 Standard Nock Bushings is_alien Tool-less Aperture Technology - KnurledThe Pinnacle of Precision & Performance Altra Arrows 23 nock bushings are designed for all Altra 23 Arrows and meant for use with our Altra standard nocks. Fitment: Altra 23 shafts and Altra standard nocks Construction: 7075 T6 Aluminum Weight: 11. 5 gr Quantity: 12 pk