Brand: IRQ Package Contents: Crossbow Bolts x12, Crossbow Broadheads x6 Crossbow Bolts Material: Mix carbon Weight: 0.95 ounces Arrows body length: 20'' Arrow shaft size: 7.6mm (ID), 8.8 mm(OD) Straightness : Laser checked for Straightness of +/- 0.006-inches is a maximum measurement, not an average. Crossbow Broadheads Material: Alloy steel Weight: 100 grain Broadheads Length: 2.8'' x 1.1'' Scientific shape design, hit the target faster and more accurately. User Notice ? Warning: check for damage before each shooting. ? Do not shot against concrete wall or any hard substance. This may damage the arrows. ? The vanes may be bent because of long way transportation,but it can recover by using an air dryer for a while.