The extension bar is designed with a Mathews Harmonic Damper insert for vibration dampening qualities

• Match grade trigger crispness

Thorn Expandable Broadheads uses patented "hidden blade" technology to achieve true field-point accuracy

but with a few discrete changes

• Fits a variety of scope housing

Tenpoint Crossbow Cables (HCA-70418) drop_ship The extension bar is designedAll TenPoint crossbow strings and cables are made with the optimum combination of materials and design Cables color, material, and required number of cable twists vary by model Sold in a package of 4 Cables designed for Nitro 505 Note: When installing most cables, twist the bottom yoke (located at the end of each cable) four times and the top yoke one time.