Flething length:3" OD:7.8mm/ID:6.2mm Material:CarbonArrows shaft Length: 28/30/32 inche Full Length:80cm Spine: 500 Feather Material: 3 inches Plastic feather Weight:35g The tips can be replaceableCondition: New itempackage include:3/6/12/24 pcs This arrow was made of top quality materials .It has good performance , low hand shock with good speed