The Altra-1 is virtually the lightest, most vibration-free premium quiver on the market. Mounting to the top mounting hole of your riser, the Altra-1 keeps your sight and rest areas free from extra mounting accessories and clutter. Extreme adjustability with 1.5″ horizontal and up to 9.5″ of vertical, allows you to customize the fit and feel of your quiver. The adjustability allows for extremely tight-to-riser mounting allowing for virtually zero balance issues. Light weight at just 8.6oz.