Product Description Get hands - free tuning and mounting with this R.S. Bow - Vise accessory. R.S. String Level: For use with the NOK-EZ Arrow Level. Checks vertical and horizontal position of bow for nock and sight installation. Snap on lower portion of string serving. NOK EZ Arrow Level: Get the perfect nock position every time. Place arrow on arrow rest, snap arrow on string. Move arrow up or down on string until level. Get it today! AVAILABLE SEPARATELY: R.S. Bow-Vise; R.S. Nok EZ Arrow Level; R.S. Snap-on Bow String Level; R.S. Vari-Nok Arrow Level; R.S. Bow Riser Shelf 360 Level; R.S. Bow-Vise Extension Swivel Bracket; R.S. Parallel Limb Bow-Vise - word search our Store for 'Bow Vise'. R.S. Nok-EZ and Snap-on String Combo
