Parker Bows Red Hot Lighted Capture Nocks - Green 3 Pack is powered by Lumenok and is engineered for modern, high performance crossbows. The Capture Nock is designed for safety and accuracy and has an exclusive, patented design.
Battery Life of over 40 hours with a Standard Replaceable Battery (BR 425). The Nock Lights when the Arrow is shot. Switch Off Easily by Pressing on the Nock.
Fits the Following Crossbow Arrow Brands: Parker Hunter Arrows 2013 and up, RED HOT arrows - 2014, and others with inside diameters of 0.300 inch. Mass Weight - 28 Grains each.
WILL NOT fit Carbon Express Red Hot Arrow.