Ravin Bolt Replacement Orange Nocks 12 Pack. Arrow nocks serve several purposes; keeping the arrow oriented in the right direction sliding sideways when fired and maximizing an arrow's energy. An Crossbow Bolts holds the arrow attached to the string and is centered. When an archer releases it transfers all of the power from the bow into the arrow. Shoot straight thanks to a little Ravin Bolt Replacement Orange Nocks. Specifications for Ravin Bolt Replacement Orange Nocks: Manufacturer: Ravin Color: Orange Quantity: 12 Included Accessories: Installation tool Weight: 0.25 lb Additional Features: Replacement nocks for all Ravin branded arrows. Features of Ravin Bolt Replacement Orange Nocks High impact Ravin engineered polymer nocks are designed to lock into Ravins unique Trac-Trigger Firing System. Package Contents: Ravin Bolt Replacement Orange Nocks Installation tool Ravin R136: Bolt Replacement Orange Nocks 12 Pack