Burt Coyote Lumen-Arrow 100% Carbon Bolts -- Lumenok GTC Equipped 20" Bolts with Crescent or Moon Nock -- 3 pack. Weight -- 321 grains w/Blazer vanes or 337 grains w/ X Vanes. without user supplied point. We use a 92 grain brass insert for improved FOC. Complete Lumenok equipped bolts, ready to shoot, just add a point or broadhead. Bolts are 20" long with three 2" Bohning Blazer vanes or 3.5" Bohning X-Bolt vanes. (Vane colors may vary from those pictured.) These bolts are .300" on the ID. Each is equipped with a Lumenok GTC. Uses Lumenok RBS replacement battery.