1,fit for crossbow bow 2,OD:8.8mm 3,Length:18" 3,ID:7.62mm 4,gpi:10.5 5,shaft material:mixed carbon 6,vane:4" plastic 7,tip:100gr steel ( replacable) 8,Thread:8/32 standard 9:straightness:+/-0.006"

• length:18 inches
• Size:7.62*8.8*457.2mm
• gpi:10.5
• shaft material:mixed carbon fiber
• package:12 pieces per pack

length:18 inchesJXhunter