Excalibur ProFlight Crossbow Bolts 16.5 in. 6 pk. High quality carbon fiber;.001"" straightness;1 grain weight tolerance;Compatible CeaseFire Technology crossbows or any that utilize flat-back nockstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Second Color: White Item Category Code: 3400 Product Group Code: 3400C Product Sub Group 1: 3400C2 Inactive: No