Easton Bloodline Carbon Arrows - 6 pack- High-strength carbon nanotubes allow for the strength and durability famous with small diameter arrows. The Bloodline weighs a mere 7.7 grains per inch. This creates a fast shooting arrow. This pack comes pre-fletched and uncut. Vane color may vary. Guaranteed straightness ±.003 inches Weight Tolerance ±.2 grains Black micro-smooth finish High Strength nanotubes Pre-installed red H Nocks 6 HP inserts included