Carbon Express 50952 Mutiny Arrow with 2-Inch Vanes and LaunchPad Precision Nock, 350-Size Best-in-class accuracy and performance Weight sorting tolerance is +/- 2.0 grains Laser checked for straightness to a remarkable 1/10,000 of an inch LaunchPad Precision Nocks deliver a controlled arrow release, better shaft alignment and more consistent accuracy shot after shot Compact, low-profile performance vanes for maximum arrow velocity and greater accuracy