Ravin Crossbow Bolts 20 in. .003 3 pk.Ravin Crossbow Bolts 20 in. . 003 3 pk. Designed Exclusively For Ravin Crossbows; Straightness Tolerance: 0. 003 Inches; Weight: 400 Grains With 100 Grain Field Tip (Not Included); High Impact Brass Threaded Inserts Included; 2 Inch High Profile Offset Vanes; High Impact Aluminum Nock Bushings; Ravin Engineered Polymer Nocks; Compatible With All Ravin Models Except R500 Series Second Color: Orange Item Category Code: 3400 Product Group Code: 3400C