NEW HIGH PENETRATION 5MM Axis Sport (SPT) carbon arrows FOR SHORTER DRAW/LOWER POUNDAGE BOWS. Easton’s Axis Sport (SPT) is the newest member of the legendary AXIS lineup offering improved field performance for bowhunters with shorter draws and/or lighter-poundage setups. The SPT is priced to offer exceptional value. The 5mm micro-diameter Axis SPT hunting arrows are compatible with all Axis accessory components, including the highly demanded FOC-enhancing Easton brass inserts, and now it’s more affordable than ever.