.2985 OR .303 Diameter HALF MOON CROSSBOW NOCK - BOHNING - 1 DOZEN (MULTI COLORS) NOCK SIZE: .2985 dia. FITS : Easton Carbon Bolts - Parker Super Magna Bolts - Barnett ( Except Game Crusher ) NOCK SIZE: .303 dia. FITS : Victory Bolts - Harvest Time Bolts - Stryker Bolts - Goldtip - Darton - Scorpyd - Maximus