T.R.U. Ball T.R.U.-Nock. Innovative nocks...like this T.R.U.-Nock...can do wonders for your bow: First aluminum loop to receive a patent; No need to trim arrow nocks; Radius on inside of loop prevents unsafe jaw hang-up; Assembles quickly with only 2 screws to be lighter than others; Crossbar aligns your peep and keeps the T.R.U.-Nok straight behind the arrow; Easy loading; Design enables successful use with single caliper releases. Get yours now! T.R.U. Ball T.R.U.-Nock