Lumenok Lumen-Arrow Capture 20in Carbon Crossbow Bolts - 3 Pack - 100 percent carbon crossbow bolt with Lumenok lighted nocks installed. Bolts are squared on the nock end to ensure proper functioning of the lighted nock. Factory fletched with 2in Blazer vanes. Length: 20in. Includes brass inserts. Weight: 338 gr. (without point). This has a pink nock.