Nice combinations: this package comes with 2 Pack of archery d loops with 1 pieces screwdrivers in total, nice combinations to meet your hunting and shooting needs Reasonable design: every compound bow metal d loop has designed with 4 screws to prevent your arrow from sliding or falling off the bowstring, provide you a more balanced release point directly behind the arrow, bring you an effortless using experience Convenient to assemble: we provide you corresponding screwdrivers for you to install, so you can easily fix the bow metal d ring buckles to the right place of the bowstring, save your time and energy Protective effect: our release nocking loops can help to improve the stability and accuracy of shooting, reduce the impact and damage to the bowstring, then to maintain the service life of your bowstring Small and compact: every set of archery d loop and screwdriver is packed in a single bag, small and compact, convenient for you to carry and store, nice gifts for friends, families and people who love archery